Related
From what I have seen, most battery life comparisons/stats are usually done with the phone in standby/screen off majority of the time.
I decided to do it the other way.
Last night to this morning:
I tried charging my battery to 100% but time constraints only had me charge it to around 84% (late for work).
I don't use/have a charger at work nor do I have one in my car. I work 8 hours straight (11pm - 7am) and I almost always stream pandora the entire time.
I am using the seidio extended battery and the only thing that stays off is wifi when I am not within range of any kind of open network (starbucks) or my own saved connection list. 4g/3g, gps, and background data are constantly on.
So, from 84% left the house and started streaming pandora in the car. Get to work about 15 minutes later with no interruption in streaming (just turned the volume down). I do shut off my screen while streaming when I put the phone in my pocket.
Surfed the web, watched some youtube videos, checked gmail and facebook (which auto sync about every hour and gmail notifies me of every single email I get), and played some games here and there (nothing great) throughout the night.
Basically my intent was to never let the phone sit and do nothing. The entire time pandora was streaming (browsing the net and streaming, checking gmail/facebook and streaming) but youtube would always stop pandora.
Got 8 hours of constant use. I don't want to say moderate/light/heavy as that scale changes from person to person. Moderate for one person may be heavy for the next.
I charged the battery in the phone because I don't have an external charger for it. Although I may get one because my charging method still involves me taking the battery out of the phone.
No task killers, no setcpu (I am rooted), no custom rom (from the dev forum).
I am using bakedsnack kernel #4, launcherpro, and I have personally uninstalled a crap load of stuff (even htc sense and rosie altogether).
My opinion is that all these gimmicks that we have to go through to get good battery life while in standy are not necessary. What is necessary is for the charging system in the evo to be revamped. This is my own opinion, but I think the charging system in the evo skips stage 2 of the charging process http://www.batteryuniversity.com/partone-12.htm which is why (this is what I think, I am no expert) so many people see the sudden drop from 100% down to whatever shortly after they unplug their charger.
It kind of makes sense as to why some people who charge their stock batteries in the ebay externals get better battery life, it's because they are actually being charged properly.
Again, this is just my opinion and I am in no way an expert on this. Just disclosing my experience and observations of my phone and it's behavior. Take from it what you will.
That's pretty amazing dude. Me personally would consider your use for this test to be pretty heavy. I'm more than impressed to see 37% battery life. And from what I've been reading up on the external charger is definitely the way to go. Although it's quite a pain to have to charge our evos like this just for maximum battery life. Hopefully in the future releases of phones we won't have tis do things like this. As mentioned in another post the switching of the battery to charge it will eventually make the back door loose or maybe even break sooner than planned, which is a problem for people who don't have extra doors. I guess it's not a bad investment to buy extra doors though.
Sent from my PC36100 using XDA App
lovethyEVO said:
From what I have seen, most battery life comparisons/stats are usually done with the phone in standby/screen off majority of the time.
I decided to do it the other way.
I am using the seidio extended battery
My opinion is that all these gimmicks that we have to go through to get good battery life while in standy are not necessary.
It kind of makes sense as to why some people who charge their stock batteries in the ebay externals get better battery life, it's because they are actually being charged properly.
Click to expand...
Click to collapse
Here is my take and i edited your post down to the points i am discussing.
First I like the fact you realize most battery tests and many of the people getting ridiculous battery life are idle most of the time (even if they say they are moderate use normally they have 1-3 hours of moderate use out of the 30 hours battery life they claim). I think showing actual usage time is much more impressive.
Now if you are going to do a battery post and talk about opinions and what your battery life is ... i don't suggest using an extended battery. you show that over aprox 8 hours of use (wont classify it as heavy moderate etc since you didnt) you lost about 50% the problem here is the extended battery from seidio has a much larger capacity then your standard htc battery that comes with evo (even if it doesnt actually have the 3500mah it is still a lot more). On a est i did i could play a movie on a stock battery for just over 5 hours before the battery drained using nothing but the stock install of a rom and without changing settings to turn things off etc. So in my opinion the battery life you are showing is actually a little low for that battery but that not really the point.
now as for the evo charging incorrectly. the reason why peoples batteries drop quickly the first 20-30 minutes (for most who have a correctly calibrated "battery") is because EVO doesn't have a trickle charge. this doesnt mean the evo isnt charging the battery correctly. the idea behind not having a trickle charge is it helps prolong the life of the battery it self at the cost of 0-10% charge depending on where it is when you take it off the charger.
While i personally would rather have the trickle charge and have to buy replacement batteries more often. it isnt that the evo charges incorrectly it. They jsut made the choice to try to make the battery itself last as long as possible at the cost of some battery use time depending on when you take it off the charger.
These are my latest seidio 3500 numbers with correct battery conditioning. Going to try and duplicate these numbers. Most of about 10 hours was slacker and pandora. This was from 100 to 14 percent on 3500 seidio. Pics for your pleasure and debate. I was able to get another 8 hours standby from this point and hour of lets golf before battery died. That was my 2nd conditioning of the battery. Going on 3rd full slow trickle charge up now. The trickle charge on battery wall charger takes about 12 hours wtf but worth it. I just use my cheap china 3000mah to cover the time.
Sent from my PC36100 using XDA App
omegasun18 said:
Here is my take and i edited your post down to the points i am discussing.
First I like the fact you realize most battery tests and many of the people getting ridiculous battery life are idle most of the time (even if they say they are moderate use normally they have 1-3 hours of moderate use out of the 30 hours battery life they claim). I think showing actual usage time is much more impressive.
Now if you are going to do a battery post and talk about opinions and what your battery life is ... i don't suggest using an extended battery. you show that over aprox 8 hours of use (wont classify it as heavy moderate etc since you didnt) you lost about 50% the problem here is the extended battery from seidio has a much larger capacity then your standard htc battery that comes with evo (even if it doesnt actually have the 3500mah it is still a lot more). On a est i did i could play a movie on a stock battery for just over 5 hours before the battery drained using nothing but the stock install of a rom and without changing settings to turn things off etc. So in my opinion the battery life you are showing is actually a little low for that battery but that not really the point.
now as for the evo charging incorrectly. the reason why peoples batteries drop quickly the first 20-30 minutes (for most who have a correctly calibrated "battery") is because EVO doesn't have a trickle charge. this doesnt mean the evo isnt charging the battery correctly. the idea behind not having a trickle charge is it helps prolong the life of the battery it self at the cost of 0-10% charge depending on where it is when you take it off the charger.
While i personally would rather have the trickle charge and have to buy replacement batteries more often. it isnt that the evo charges incorrectly it. They jsut made the choice to try to make the battery itself last as long as possible at the cost of some battery use time depending on when you take it off the charger.
Click to expand...
Click to collapse
50% loss over 8 hours of near constant use (my awake time shows that it did manage to sleep somehow even though I streamed pandora constantly) on any battery (extended or not) is actually a good thing as it shows that even with the phone fully bogged down (almost all radios on) it can last a full work day (which is what most people are concerned about).
I still believe the evo does not charge the batteries correctly and it is not solely related on the absence of a trickle charge.
Again, from my observations over the course of the past three weeks. I started with what my battery was calibrated to according to the phone. Let it drain down to about 15% (according to the phone) and wiped the battery stats and did a different charging method from the htc "rain dance".
Here is where my opinion of the evo not charging properly comes into play.
From 15% to 100% charge (charged while phone and screen are on to monitor voltage, temp, mA draw, etc.) took about an hour +/- a couple minutes. As soon as the led turned green (yes, I literally sat at my phone watching the percent slowly rise) I unplugged the charger and noted the resting voltage level and percent (according to three seperate battery status applications). Once noted, I powered down the phone. After the screen completely shut off I removed the battery and tested the voltage. I did this for my own information because I wanted to verify the phone itself was actually reporting the voltage levels correctly. It was.
Now, recall that I had just charged the phone to 100% and had wiped battery stats prior to charging.
Replaced the battery back into the phone and powered up. Normally people see a jump in battery percentage when they power down and back up. Not in my case. To my amazement, the evo reported my battery as being at 78% charge level. So I went from being 100% charged down to 78% percent charge all from powering down, removing the battery, checking voltage, and then replacing battery and powering up. Time to power down, remove, check voltage, replace and power up is somewhere around the one minute mark +/-.
Again, referencing the link I provided earlier about charging li-ion batteries, the evo seems to skip stage 2 of the charging process which usually results in about a 70% charge (according to the link).
Charged it again from the 78% mark to 100% and the charging time took just over an hour to get back to 100%. Same routine, check voltage on phone, power down, remove battery, check voltage on mmeter, replace battery, power on, check levels.
Second time around I dropped from 100% charge to about 89%. Voltage levels were always accurate. Charged again and took about another hour +/- and finally achieved a charge to where it would not fall or rise between a power down (97% seems to be my cap which is fine since I don't want to truly charge the battery to 100%).
To test the discharge rate I tried my best to keep the battery running condition identical for each discharge run.
I monitored the battery temp, cpu temp, battery voltage, amp draw, and cpu load.
Streaming only pandora and nothing else I usually managed to keep the amp draw to around 300 - 360mA with the screen on. This was my way of measuring the discharge rate without access to equipment that could give the battery a steady discharge load.
Every time the percentage dropped one I would note the volts, temps, amp draw and cpu load. Across the board temps and cpu load remained close to constant as the phone wasn't doing too much multitasking.
At this point, I have about 4 full voltage readouts from 100% down to 15%. Without wiping battery stats, if I charge the phone with my method (charge to 100%, power down, remove battery, replace battery, power up and recharge) my past voltage readouts coincide with my battery readouts on the phone (87% falls within a certain voltage range and so on) but if I just charge the battery until the phone says it's 100% then the readouts on the phone no longer fall within my past readouts until I go back to my charging method. This tells me that if I let the evo charge the battery the way it is programmed to (hardware or software) then it is not actually charging the battery to its full potential (not necessarily 100%).
Across the board the cpu load and the temps rarely drastically changed as it wasn't running multiple tasks at once. This is just my own observations and tests that I did/started doing for my own intellectual reference.
I have done the same charging method with my wife's evo and stock battery (1500 htc oem). I wiped her stats but only managed to get two full voltage readouts with her phone. She has stated that her battery does last longer than before and she is only rooted to remove bloatware. She is running stock rom, stock kernel, no task killers, no memory managers, and her radios and settings are close to mine (she gets more mail and facebook notifications than I do).
Again, this is just my opinion and personal observations. I did this solely because I got tired of having to constantly turn things on and off just to use them. My past phones never had this problem and I don't think the evo should have to be babied just to get good battery life. I still believe it all lies in the charging system of the phone and not necessarily the battery (extended versus stock).
Hey, what battery conditioning did you guys do? There's a ton of different suggestions and I am wondering if one or two have finally been proven to not be placebo.
I decided to do the HTC charging method when I changed roms to cm6. I went into hboot after and wipe stats. Turned on and took about 20 minutes to get to 98% using internet. Anyways I let phone die. Plug it in and I have system monitory with history monitoring. So I go to bed, and wake up to expect 100%. Nope 80%. Checked the monitor and trickled from 80% to 70% for 2 whole hours. I did the HTC thing again for full charge. Repeated. Only charges to 80%!!!! I changed roms. Same thing.
Sent from my PC36100 using XDA App
martyzidek said:
I decided to do the HTC charging method when I changed roms to cm6. I went into hboot after and wipe stats. Turned on and took about 20 minutes to get to 98% using internet. Anyways I let phone die. Plug it in and I have system monitory with history monitoring. So I go to bed, and wake up to expect 100%. Nope 80%. Checked the monitor and trickled from 80% to 70% for 2 whole hours. I did the HTC thing again for full charge. Repeated. Only charges to 80%!!!! I changed roms. Same thing.
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
Your situation also points to my opinion that the charging system on the evo does not charge correctly. I am also thinking that the battery stats dont play a huge role but I still jave more monitoring to do.
I also prefer the constant-use benchmarks, and did one myself as well. Charge to 100% and then stream DI.fm using XiiaLive (96Kbps MP3) through WiFi (router in same room) + full brightness + screen ON (no timeout). My poor Evo lasted 3:55 before forced shutdown . Btw, running Fresh v3.1.0.2 with netarchy v4.1.8-cfs, no SetCPU or any other "battery saving" tools.
frifox said:
I also prefer the constant-use benchmarks, and did one myself as well. Charge to 100% and then stream DI.fm using XiiaLive (96Kbps MP3) through WiFi (router in same room) + full brightness + screen ON (no timeout). My poor Evo lasted 3:55 before forced shutdown . Btw, running Fresh v3.1.0.2 with netarchy v4.1.8-cfs, no SetCPU or any other "battery saving" tools.
Click to expand...
Click to collapse
I am at work now and when I get home I plan on charging the stock battery as best as I can and doing another constant use run to satisfy the crowd who run the stock battery.
Hey guys, I recieve my s7 edge today, whats the best way to condition the new phones battery? Some use what it has until its low to recharge until 100 others leave phone off and charge to 100 at start, whats the best result for a good healthy battery?,
Thanks
Lithium ion batteries have come a long way. There is no "memory effect" and conditioning is probably not really all that necessary. If I were you I'd just give it a charge to 100 and use as normal. Might have high drain for the first few days/charge cycles.
Remember that with Li-Ion batteries a "charge cycle" is one complete cycle from 0% to 100%. So by charging when it's at 50% you're only using up one half of a "rated charge cycle" - Battery conditioning shouldn't really be required with modern lithium ion batteries.
Battery conditioning isn't necessary but charging fully and depleting fully will help the phones software learn the battery capacity and give the most accurate percentage remaining reading. I'd say do this a couple times after you first get the phone
gaff15 said:
Battery conditioning isn't necessary but charging fully and depleting fully will help the phones software learn the battery capacity and give the most accurate percentage remaining reading. I'd say do this a couple times after you first get the phone
Click to expand...
Click to collapse
This makes sense I guess. But wouldn't the battery percentage remaining be based on the voltage in the battery at a given moment? I wouldn't think the phone would need to "learn" that.
Afaik. It's actually bad to discharge li-ion and li-po batteries down low. I think it's better for battery health to recharge around 50% for instance than waiting until 0%.
Xileforce said:
Afaik. It's actually bad to discharge li-ion and li-po batteries down low. I think it's better for battery health to recharge around 50% for instance than waiting until 0%.
Click to expand...
Click to collapse
The 50% mark is an old(and still good) rule of thumb primarily for lead acid batteries.
Leaving these batteries in a discharged state can be bad for them, but in normal usage even a discharge to 0% is fine if followed shortly by a charge cycle. These devices have a low voltage cutoff which is what shuts the phone down and protects the battery from over discharge and damage. Bottom line is use and charge it however you like, the only thing that may change is the time it takes the software to learn your discharge profile and show accurate stats.
Ashevar said:
The 50% mark is an old(and still good) rule of thumb primarily for lead acid batteries.
Leaving these batteries in a discharged state can be bad for them, but in normal usage even a discharge to 0% is fine if followed shortly by a charge cycle. These devices have a low voltage cutoff which is what shuts the phone down and protects the battery from over discharge and damage. Bottom line is use and charge it however you like, the only thing that may change is the time it takes the software to learn your discharge profile and show accurate stats.
Click to expand...
Click to collapse
This makes sense. The article I read awhile back was likely referring to non smart charging systems, such as a battery pack. It makes sense that an integrated solution such as a phone would regulate that to maintain battery health.
There are three things that are very bad for Li batteries. 1: overcharging. 2: completely draining. 3: overheating. Li batteries are happiest, and will last the longest, if never cycled above 75% or below 25%. Cars like the Tesla actually show 100% charge when the battery pack is only about 75% charged, and show the battery as depleted well above 0% charge. Then again, the battery pack for a Tesla costs a lot more than a phone.
#1 shouldn't be a problem in any modern device. The circuitry in the battery will tell the phone when to shut down charging to prevent overcharge. #3 can be a problem. If you're charging the battery simultaneously with high battery draining phone usage (e.g., GPS and Nav) phones can get very hot. In fact, I've had my phone stop charging and display a warning when I was navigating and charging the phone wirelessly at the same time. If you're using GPS on a long trip, you almost have to charge it while in use, but might want to avoid wireless or fast chargers. Wireless chargers and fast chargers generate more heat.
#2 is up to you. Repeatedly discharging the battery to single digits will reduce it's lifespan. I try to recharge before 25% but if I get into a situation where I can't I don't obsess over it. I don't worry too much about charging to 100%. I suspect that, like Tesla, 100% is probably not really 100%. The battery manufacturers are likely to leave a little safety margin in there to ensure batteries can't overheat and catch fire.
meyerweb said:
There are three things that are very bad for Li batteries. 1: overcharging. 2: completely draining. 3: overheating. Li batteries are happiest, and will last the longest, if never cycled above 75% or below 25%. Cars like the Tesla actually show 100% charge when the battery pack is only about 75% charged, and show the battery as depleted well above 0% charge. Then again, the battery pack for a Tesla costs a lot more than a phone.
#1 shouldn't be a problem in any modern device. The circuitry in the battery will tell the phone when to shut down charging to prevent overcharge. #3 can be a problem. If you're charging the battery simultaneously with high battery draining phone usage (e.g., GPS and Nav) phones can get very hot. In fact, I've had my phone stop charging and display a warning when I was navigating and charging the phone wirelessly at the same time. If you're using GPS on a long trip, you almost have to charge it while in use, but might want to avoid wireless or fast chargers. Wireless chargers and fast chargers generate more heat.
#2 is up to you. Repeatedly discharging the battery to single digits will reduce it's lifespan. I try to recharge before 25% but if I get into a situation where I can't I don't obsess over it. I don't worry too much about charging to 100%. I suspect that, like Tesla, 100% is probably not really 100%. The battery manufacturers are likely to leave a little safety margin in there to ensure batteries can't overheat and catch fire.
Click to expand...
Click to collapse
#1 -> Could be a problem. Manufacturers can set the 100% mark at higher voltage to make it look like it has more capacity while sacrificing longevity, just enough to get through the 1 year warranty period. (Lot of powerbanks do this!) Users have no control of this ceiling. Charging to 80% and letting it cycle below that probably keeps the battery much healthier than keeping it plugged overnight at 100%.
There's an app called AccuBattery on playstore that people might want to check out. It's basically an alarm that turns on when the battery is at desired % level. It also cites real research papers so I would trust what they are doing.
I used to have a long post with a detailed technical explanation but lost it.
Anyway the gist is, basically, batteries work by ion movement, and like a machine, these ions wear out over time due to use. And similar to machines, heavy use wears them out more. You're more likely to break an engine by running it for 1 day at max rev, than running it over a month at half capacity. The smaller the depth of discharge, the lower the wear. Lab tests have concluded that when you constantly discharge from 100 to 0, it allows you betwrrn 300-500 charge cycles before it starts to break down and not hold charges. More specifically, when you reach that magic number your battery can only hold 75% of it's original charge. That's typically 1-2 years of use if you charge once a day. And heavy abusers charge more than once a day, so that decreases the time span to however many weeks it takes them to reach 500 charge cycles. Now, the increase in charge cycles is exponential, not arithmetical. So a depth of discharge to 50 before recharging will not give you 600-1000 charges. Rather it will give you 1200-1500 charge cycles. Mathematically, draining a 3600mah to zero for 300 charges gives you 1080000mah to burn through however short your battery life will be. On the other hand, using only 50% of the battery before recharging gives you 2160000mah to burn through before it expires after at least 1200 charge cycles. In other words, it stored twice more power for you to use. If you say, charge once every 24hrs, going always from 100 to 0 gives you at least 300 days. Recharging twice a day at 50% gives your battery at least 600 days of use before battery capacity deteriorates noticeably. Discharging to 75% before recharging actually gives you 2000-2500 charge cycles, making it even longer. Basically the point is, always plug the phone in when given the chance. Don't wait for 50%, or whatever. 40% is an arbitrary number actually, not sure why it's chosen. Also, this is why one of the choices to auto activate power saving in the S7 is at 50%, so that it keeps the battery up as close to 50% as possible when you get the chance to plug in.
As for charging to 80%, this is because partial charge is better than full charge for lithium ion batteries. The ions are placed on stress to hold charges. Maximum stress is at 100% charge. And like everything else, stuff tends to break more. So not running it to 100% all the time will reduce overall stress experienced and increase the time before deterioration occurs. Personally I charge to 90%, and discharge to 40% or above. That's a 50% depth of charge, so that's good for up to 1500 charge cycles, plus whatever number of cycles the decrease in max stress gives me.
However, note that environmental temperatures also play a role in battery longevity.
Sent from my Galaxy S7 Edge Duos via Tapatalk
just use the dang phone...
cri[LIST=1 said:
[/LIST]s_epic;65635276]Hey guys, I recieve my s7 edge today, whats the best way to condition the new phones battery? Some use what it has until its low to recharge until 100 others leave phone off and charge to 100 at start, whats the best result for a good healthy battery?,
Thanks
Click to expand...
Click to collapse
That's actually a perfect way to ruin your battery on purpose!
Just do these things and Don't worry a lot. And remember, when it does die it's not your fault, it's kind of a problem with Lion batteries!
1. Try to keep the battery between 40-80% or 20-40%. But don't worry if tou can't. Saying this in case you're staying at home all day.
2.Keep the heat away from it!!! This one is important
3. Try to discharge it at a lower rate but don't let that get in the way of you enjoying your device.
4. Try not to discharge below 8% at all. But try to not discharge it below 15-20% unless you have important things to do.
5. don't keep it topped of for a long time (like constant going 90-100%, this is damaging) and don't keep it at 100% for long! (For example turning it off and stop using it for a week, or keeping it plugged for a few days)
If you're storing it keep it at 40% (3.8-3.75V) and try to drain it once in a while. (Unlikely to happen with a phone specially one without a removable battery )
I really do hope someone invents a new type of battery. Lipos are anoyying
Simple you don't need too lol
Sent from my SM-G935F using XDA-Developers mobile app
The phone was great, didnt regret upgrading at all because I was getting great battery life. I have a lifeproof case, used wireless fast charging to keep my battery between 35% and 80% to prevent any battery damage, never had any heat or quick discharging at all. If I set it down while I slept, the battery might lose 4% in 8 hours... Boom, all of that changed yesterday. If I'm using it, it gets hot and the battery drains fast, if I'm not using it, the battery drains slower but still about 16% in 8 hours. If I put it on the charger it gets warm. I've powered it off and back on multiple times, I've turned off fast charging, it doesnt matter. Use or charging gets this thing all worked up somehow when before it played like a CHAMP. The wireless charging wasnt heating it before, i've only charged it to 100% once a week, never dischaged it below 15%. No new apps. Google play services has the highest power useage. Its acting like its got malware or something.
What should I do?
Sent from my SM-G930P using Tapatalk
not talking really about sot here, but about the battery health over months/years
I can read some posts where people report a very bad sot, when the Z play is normally a very good device regarding battery, There are several possible causes of course, the rom, the apps used... and battery degradation over months.
According to a studie, a lithium ion battery loose 10% every 250 charge cycles, there is some rules to help to not loose more :
A partial discharge reduces stress and prolongs battery life.
- avoid charge over 90%
- avoid use below 20/15%
- Battery lithium ion hate heat, so when charging avoid use your phone, can add heat from cpu mostly with games, and you will charge/heat longer
- the turbo charger make the phone heat like hell, and again lithium ion batteries can't stand the heat, it's a fact, Somes will say it's normal because it is sold like that. I won't take the risk if not needed, so i use only the turbo charger when urgency, otherwise i use my lenovo tablet charger (5,2v / 2A), that charge quite fast too with no heat at all.
I wish there was an option to turn off fast charging like on Samsung phones...
I don't know if we got different phones, but I always charge phone with stock turbocharger and its never hot - when I'm not using it during charging is not even warmer than normally, when I use phone during charging it's little warm.
Baronik said:
I don't know if we got different phones, but I always charge phone with stock turbocharger and its never hot - when I'm not using it during charging is not even warmer than normally, when I use phone during charging it's little warm.
Click to expand...
Click to collapse
really ?? mines heat a lot too with turbocharger and without using it during charge
Mine too, but i put it on the stone cold floor and it's much better. You should do this.
fablebreton said:
not talking really about sot here, but about the battery health over months/years
I can read some posts where people report a very bad sot, when the Z play is normally a very good device regarding battery, There are several possible causes of course, the rom, the apps used... and battery degradation over months.
According to a studie, a lithium ion battery loose 10% every 250 charge cycles, there is some rules to help to not loose more :
A partial discharge reduces stress and prolongs battery life.
- avoid charge over 90%
- avoid use below 20/15%
- Battery lithium ion hate heat, so when charging avoid use your phone, can add heat from cpu mostly with games, and you will charge/heat longer
- the turbo charger make the phone heat like hell, and again lithium ion batteries can't stand the heat, it's a fact, Somes will say it's normal because it is sold like that. I won't take the risk if not needed, so i use only the turbo charger when urgency, otherwise i use my lenovo tablet charger (5,2v / 2A), that charge quite fast too with no heat at all.
Click to expand...
Click to collapse
I suggest following[1] battery charge limit app ... It works fine ( root required )
[1]
https://forum.xda-developers.com/android/apps-games/root-battery-charge-limit-t3557002/
or just use a regular 1A/2A charger at home and only use turbocharger on the go
I've also done research into this, as this is the first phone I want to keep more than a year and a half. My conclusions from multiple sources are as follows (quite similar to your findings):
- Don't charge over 90%, but really you shouldn't charge past 80-85% (choose your percent based on how much you will need for the day)
- As you said, don't go below 20%, but really you shouldn't go lower than 40%.
From what I can tell, the 80-40 rule seems to be a legitimate and fairly reliable rule of thumb for smartphone batteries (don't go below 40%, don't charge past 80%).
Battery University has a lot of good info, and they state that smaller discharges and recharges are generally better for the battery. I've been able to get a full day or two of usage from my Z Play by starting with 90% and not going lower than 35-40%.
Guys I need some help pls.
I ordered new battery, yesterday I opened phone carefully and replaced old battery, all went smooth.
But when try to switch on phone doesnt start. When connecting to psu it starts normally, battery shows 100% and not charging. If remove cable phone turns off instantly.
I wiped cache, dalvik, batterystats, no luck. Tried different psu, the same
I put old battery back and phone turns on and works ok, same as before.
Is possible that new battery coud be completely dead?
The new battery printed manufactured date is older than my current battery. 06-2015 vs 12-2015.
Is there anything else I should try , beside rma?
Thank you
csjneek said:
Guys I need some help pls.
I ordered new battery, yesterday I opened phone carefully and replaced old battery, all went smooth.
But when try to switch on phone doesnt start. When connecting to psu it starts normally, battery shows 100% and not charging. If remove cable phone turns off instantly.
I wiped cache, dalvik, batterystats, no luck. Tried different psu, the same
I put old battery back and phone turns on and works ok, same as before.
Is possible that new battery coud be completely dead?
The new battery printed manufactured date is older than my current battery. 06-2014 vs 12-2014.
Is there anything else I should try , beside rma?
Thank you
Click to expand...
Click to collapse
Yes, there's a battery thread, where good replacements are linked. A 3 year old battery isn't a good replacement. Give it back to the seller. And did you try to put your "new battery" a second time in your phone, may you just didn't connect the cable correctly at first try. ???
coremania said:
Yes, there's a battery thread, where good replacements are linked. A 3 year old battery isn't a good replacement. Give it back to the seller. And did you try to put your "new battery" a second time in your phone, may you just didn't connect the cable correctly at first try. ???
Click to expand...
Click to collapse
Thanks for reply,
Yes I did with case open swapped old and new one multiple times to be sure, old one turns on and charging, new one don't.
csjneek said:
Thanks for reply,
Yes I did with case open swapped old and new one multiple times to be sure, old one turns on and charging, new one don't.
Click to expand...
Click to collapse
Then buy a better replacement, may not a 3 year
old one
Do search for " Cameron sino" for nexus 6p on either eBay or Amazon and buy that battery. I got mine for 25.00 . My phone charges to 100%, discharges slowly and doesn't shut off anymore at less than 20% battery like it did before. Accubattery app on playstore shows my battery health at 97% now ,the stock one was at 67% health. It does take a couple of full charges and full discharges to manage that health readout. Cameron sino seems to be the best one I've had so far. Just make sure you charge it to 100 and use it till it shuts off the first few times and profit. Trains the battery to fully charge and discharge . People make the mistake of charging when it isn't dead and that slowly suck the life out of your new batteries.
wmills said:
Just make sure you charge it to 100 and use it till it shuts off the first few times and profit. Trains the battery to fully charge and discharge . People make the mistake of charging when it isn't dead and that slowly suck the life out of your new batteries.
Click to expand...
Click to collapse
This might be true for nickel cadmium and nickel-metal hydride batteries , but it doesn't apply to lithium ion batteries. If anything, it's better to charge the battery when it still has ~20% left and stop charging around 80%. Lithium ion batteries don't like being too discharged or too charged as it causes them to wear out faster.
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
https://lifehacker.com/smartphone-battery-myths-explained-1735327089
https://www.cnet.com/how-to/true-or-false-battery-myths-that-need-to-die/
http://www.androidauthority.com/battery-myths-688089/
Whoa great been doing all wrong ,you are a wealth of knowledge
wmills said:
Whoa great been doing all wrong ,you are a wealth of knowledge
Click to expand...
Click to collapse
After quickly destroying the battery in my Galaxy Nexus I decided to research ways to prolong the life of the battery in my smartphone, especially since the phone I replaced it with (Nexus 6) didn't have a removable battery. So far they've worked great. Several tips I have are:
1. Plug in when you get to ~20-25%. If you want to be super extreme you can use an app like Battery Charge Limit to stop charging at 80%. Like I said earlier, discharging/charging too far is bad for the battery.
2. Don't use fast charging. This heats up the battery and wears it out faster. I've used the 1 amp charger from my Galaxy Nexus on my Nexus 6 and 6P and it has definitely helped prolong the life of the battery.
3. Don't use the phone while charging. This causes it to heat up and wears out the battery faster. Light things like texting or browsing XDA with their app won't heat it up too much, but gaming or installing ROMs while plugged in is very bad.
4. Don't charge the phone overnight while it's on. Obviously after the phone reaches full capacity it stops charging, but if your phone is on and running stuff in the background the battery will drain. When it drops to 98% it starts to trickle charge again until it reaches full capacity. This cycle of charging and draining will occur several times throughout the night and adds unnecessary wear cycles to the battery. It's best to charge while the phone is off to avoid this cycle.
5. Don't let the battery get too hot or too cold. Low temperatures can be just as harmful to batteries as high temperatures. If it's 100°F or 0°F outside and your battery is getting very hot or very cold it's best to just leave the phone in your pocket until you're in a place with a more reasonable temperature, such as inside a building or something. Lithium ion batteries prefer a happy medium, which is usually around room temperature (~68°F).
6. Keep the phone cool while doing CPU intensive tasks that cause it to heat up. When I install a ROM and boot it for the first time, wipe cache/dalvik after installing something, run the auto patcher in WakeBlock, or anything else that causes the CPU to run at a high frequency for prolonged periods of time I remove my phone from its case and place it in front of a fan on high speed. This keeps it from getting too hot, but doesn't let it get too cold. Placing your phone in the fridge/freezer will also keep it cool, but lets the battery get too cold, so that method is not recommend.
7. I use an app like EX Kernel Manager to display the battery/CPU temperatures in the notification area. If I notice the temperatures are getting too high or too low I stop using the phone until it cools down or I'm somewhere warmer. This can be annoying on Oreo because you get notifications of apps running in the background, but that's pretty easy to block
Keeping the phone cool can also help avoid the defect in the Snapdragon 810 that causes the BLOD (boot loop of death), which usually occurs when the solder holding the processor to the mother board develops cracks.
Based on posts I've seen in this forum most people begin to experience battery or boot loop issues after about a year or so. I've had my 6P for about a year and have not had any battery, heat, or boot loop issues. In my experience, taking care of your phone and being "extra nice" to it is the key to prolonging its life. After 2 years of using my Nexus 6, battery life on the day I sold it was just as good as day I unboxed it. I don't want to jinx myself, but the same goes for my 6P. After almost a year of use I can still go 16+ hours off the charger with 4+ hours of SOT and 30% or more left in the battery when I plug it in at night.
I'm gonna try this
Face_Plant said:
After quickly destroying the battery in my Galaxy Nexus I decided to research ways to prolong the life of the battery in my smartphone, especially since the phone I replaced it with (Nexus 6) didn't have a removable battery. So far they've worked great. Several you're l tips I have are:
1. Plug in when you get to ~20-25%. If you want to be super extreme you can use an app like Battery Charge Limit to stop charging at 80%. Like I said earlier, discharging/charging too far is bad for the battery.
2. Don't use fast charging. This heats up the battery and wears it out faster. I've used the 1 amp charger from my Galaxy Nexus on my Nexus 6 and 6P and it has definitely helped prolong the life of the battery.
3. Don't use the phone while charging. This causes it to heat up and wears out the battery faster. Light things like texting or browsing XDA with their app won't heat it up too much, but gaming or installing ROMs while plugged in is very bad.
4. Don't charge the phone overnight while it's on. Obviously after the phone reaches full capacity it stops charging. If your phone is on and running stuff in the background, the battery will drain a little. When it drops to 98% it starts to trickle charge again until it reaches full capacity. This cycle of charging, draining, and recharging will occur several times throughout the night and adds unnecessary wear cycles to the battery. It's best to charge while the phone is off to avoid this cycle.
5. Don't let the battery get too hot or too cold. If it's 100°F or 0°F outside and your battery is getting very hot or very cold it's best to just leave the phone in your pocket until you're in a place with a more reasonable temperature, such as inside a building or something
6. Keep the phone cool while doing CPU intensive tasks that cause it to heat up. When I install a ROM and boot it for the first time, wipe cache/dalvik after installing something, run the auto patcher in WakeBlock, or anything else that causes the CPU to run at a high frequency for prolonged periods of time I remove my phone from its case and place it in front of a fan on high speed. This keeps it cool, but not too cold, and doesn't allow it to get too hot. Don't place it in the fridge/freezer. Doing that will cause the battery to become too cold.
7. I use an app like EX Kernel Manager to display the battery/CPU temperatures in the notification area. If I notice the temperatures are getting too high or too low I stop using the phone until it cools down or I'm somewhere warmer. This can be annoying on Oreo because you get notifications of apps running in the background, but that's pretty easy to block
Keeping the phone cool can also help avoid the defect in the Snapdragon 810 that causes the BLOD (boot loop of death), which usually occurs when the solder holding the processor to the mother board develops cracks.
Based on posts I've seen in this forum most people begin to experience battery or boot loop issues after about a year or so. I've had my 6P for about a year and have not had any battery, heat, or boot loop issues. In my experience, taking care of your phone and being "extra nice" to it is the key to prolonging its life. After 2 years of using my Nexus 6, battery life on the day I sold it was just as good as day I unboxed it. I don't want to jinx myself, but the same goes for my 6P. After almost a year of use I can still go 16+ hours off the charger with 4+ hours of SOT and 30% or more left in the battery when I plug it in at night.
Click to expand...
Click to collapse
Definitely going to try these methods on my brand new Nexus 6p. Thanks for posting that. Very helpful.