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At the office I leave my phone in a cradle. When I get calls I remove the phone to answer and then return it to the cradle when done. My battery goes from 100% down to somewhere in the 90's then charges back to 100% in the cradle. Does this repeated process harm the battery in any way? I've read that these batteries don't suffer from the memory effect, but I'm still not sure if this counts as a charging cycle.
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You should always let the battery run down completely some times maybe once a week.
Really? I've read on this forum that there is no need to do that with the new Lithium Ion batteries. I've even read that this could have a negative effect and you should try not to let the battery drain completly.
I don't understand why there isn't a proper battery care section in the manual. Its as if its some kind of voodoo science.
Perhaps not Once a week. But Once a "while"
The reason is that, Phone software uses approximation to calculate the charge left in the Battery. So over time, battery ages and software may not be calibrated to match with the battery's storage capacity. So draining the battery entirely and charging them fully gives the phone's software to assess the battery's health and recalibrate.
It's a lithium battery mate. The only way you can really damage it is by a complete discharge. So long as you don't switch the phone back on once it switches itself off due to low battery you needn't worry about anything else.
Also in theory the lithium batteries have a lifespan of say about a 1000 charges for example and everytime you charge it has one charging less left. This ofcourse isn't exactly how it is in practice but charging the battery alot wears it down. It isn't good either to keep it in the charger for a longer time after it's reached a 100%.
Hi,
this is only partly correct:
Suppose the battery can make 1000 (which I don't believe) charge cycles,
it means that you can charge 1000 times from empty to full.
If you just charge 1000 times from 50% empty to full it counts for 500 cycles!
So,
don't worry, let it stay in the cradle if you like
There are 500 opinions about that but believe, as I wrote is correct.
Theo
Yes, what I said wasn't exact science and I used 1000 cycles as an example, but from what I've read it is better to let the battery drain to less than 50% and then charge it full rather than charge 5% at a time. My previous post was meant to illustrate this.
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geenome said:
You should always let the battery run down completely some times maybe once a week.
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That's a load of crap, no offense... Lithium batteries have no memory effect and have absolutely no need to be completely discharged, that's a ancient thing from the time of nickel-metal hybrid batteries. The only actual reason for full charge cycles is to calibrate the device for that exact battery.
Keeping a lithium-ion battery in a charger most of the time will wear the battery down faster than getting it drain more and then charging it. Keeping the battery almost fully loaded/in a constant loading state wears the battery capacity by approximately 20% a year (can't recall the source/study just now)(EDIT: and my personal experience is that the battery capacity will wear that much anyway, no matter how you use it). The life-cycle of phones these days are roughly two years nowadays so IMO you can keep it in a cradle with no worries, if you wish. And lets face it, a new battery after a year of usage won't be that big an investment after all.
To add to the above post, running down a lithium battery completely does more damage than benefit. This is almost impossible though with normal use as the phone shuts down long before the battery is completely empty
Hi everyone, i was wondering if someone can tell me if charging the battery from 10-15% to 100% its bad for my device? Also which recomendations you suggest for reduce battery damage on the device? Ive read about the li-polymer batteries and some says that is bad for the battery to leave it conected log periods of time, also other mentioned that leaving the battery till it reach 10-15% is good method for prolong its battery life, but imnot sure about this tips.
Can someone tell me some recomendations?
I know from experience, li-po batteries do not last if fully discharged everytime, meaning don't run it till it shuts off. I am charging in the 10-15% range. As far as leaving it connected to the charger, I'm not sure if thats bad. If all you did was use it while connected to the charger, yes that will result in reduced battery life due to it not getting discharged.
do i drain the battery before first charge? is it really necessary to do overnight first charge or 3-4 hour full charge will do? need to take extra care since it is non removable.
I know that's really un-educated but I'm not sure about those things as well ... is it good to drain it first and then recharge it, or recharge it at the beginning .. and is it bad when you take it off the charger in the middle of the process?
I know it depends on battery type. And actually what would make sense is just following the manual. Why shouldn't the manufacturer know?
Anyway, anyone with some knowledge on that, please help!
Nearly all cell phones use Lithium-based batteries, which should not be drained before charging. The "drain before charge" thing only applies to nickel cadmium batteries.
You should charge your phone battery as often as possible. It's better for the battery to go from 100% to 80% five times than to go from 100% to 0% once.
I have read several articles that state it is BAD to completely drain a lithium polymer battery so I plan to just keep it charged as usual.
Bronk93 said:
I have read several articles that state it is BAD to completely drain a lithium polymer battery so I plan to just keep it charged as usual.
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I've heard the same info too where it'll damage the battery by draining it completely. Although, I heard that power management on devices sometimes need to be calibrated by taking the lithium battery to near 0%...it's that way on my macbook pro...not sure about phones.
Hello,
I am doing an experiment since few days ago. I noticed that if you disable the Fast Charging, and (most importantly) use a proper, thick 2A USB cable (I use a Kindle Fire original cable) then the battery lasts around 15-20% longer.
How to recognize that you got a proper USB charging cable ? With fast charging disabled and the battery empty, the phone should tell you that there are around 2 hours until full (instead of the usual 7 hours or so with fast charging disabled). That's when you know that you are using the proper cable. I bought a original Kindle Fire cable from Amazon and that is very solid, much thicker than the standard cable. See attached screenshot. With the standard cable this seems to be a hit and miss, you sometimes get the 2 hours message and sometimes the 7 hours message.
I repeated the experiment 3 times and each time I got significantly better battery life than before.
You may want to try it to see if it works for you.
PS: Attached is my latest battery life screenshot (APC8 firmware), which is the third charge since the experiment. 2 days 6 hours of stand-by with 5h SOT on a mix of 80% Wi-Fi, 20% 4G with nothing disabled (even Bluetooth is permanently connected to the LG smartwatch). Almost no videos played, only web page browsing which is quite demanding on battery.
Look if new software update is possible.
Yeah, I noticed that my battery life was worse when I used a ****ty 1 Ah Sony charger when I displaced the original Samsung charger. It took about 3 hours to charge it up to 100%, but then I noticed that the battery life would be worse than before. I found the original charger again, and battery life is back to being good again. I never use fast charging, unless it's in the middle of the day and I'm heading out or something.
None of the things mentioned above should (technically) have any impact on battery life once unplugged? I mean, stored electricity is stored electricity, so if someone QUALIFIED could give an explanation here, it would be cool.
Nothing new, I've always noticed that if I charge the phone with the original charger and fast charging disabled it will last much longer.
https://www.amazon.com/Amazon-Kindle-Micro-USB-Cable-Tablets/dp/B006GWO5NE
This cable? Which AC adapter do you use?
None of this solutions should impact battery life Oo. Energy is energy, no matter where it comes from?!
Would be nice, if someone qualified could tell us more..
Do you have the newest android version installed?
By the way, I only charge with original charger and cable, fast charge disabled (battery life is longer?!)
Battery life depends on how well you follow charging & discharging cycle. I usually fully discharge my battery (so that phone will shut down by itself after dropping below 1% charging), then charge it fully keeping it switched off & then use it.
I always had far better battery life than most people complain about.
BTW, I also tried charging battery keeping phone switched on at 10-15% charge remaining, battery definitely performed weaker for my use.
So that confirmed my theory based on my usage over last 7 years..
thegame2388 said:
https://www.amazon.com/Amazon-Kindle-Micro-USB-Cable-Tablets/dp/B006GWO5NE
This cable? Which AC adapter do you use?
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Yes, this is the exact cable I am using. A bit expensive, but for me it was the only cable that consistently worked at 2A over time.
J.Biden said:
I mean, stored electricity is stored electricity, so if someone QUALIFIED could give an explanation here, it would be cool.
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BigDoun2011 said:
Would be nice, if someone qualified could tell us more..
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I wonder if Qnovo is qualified enough ? Their technology is employed in many charging solutions. Here is what they say:
"Add fast charging - it gets noticeably worse. It turns out that the simple way batteries are charged today causes most of the damage that leads to shorter daily battery life and reduced lifespan."
Cst79 said:
Yes, this is the exact cable I am using. A bit expensive, but for me it was the only cable that consistently worked at 2A over time.
I wonder if Qnovo is qualified enough ? Their technology is employed in many charging solutions. Here is what they say:
"Add fast charging - it gets noticeably worse. It turns out that the simple way batteries are charged today causes most of the damage that leads to shorter daily battery life and reduced lifespan."
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So you're saying that Kindle Fire cable extends battery life? Isn't 100% battery life from one cable the same as 100% battery life from another cable? Energy is energy.
thegame2388 said:
So you're saying that Kindle Fire cable extends battery life? Isn't 100% battery life from one cable the same as 100% battery life from another cable? Energy is energy.
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In no way I am saying this. I am just saying that you need a cable that reliably supports 2A charging, so the charger shows 2 hours to full instead of 7 hours to full, even with fast charging off.
Cst79 said:
In no way I am saying this. I am just saying that you need a cable that reliably supports 2A charging, so the charger shows 2 hours to full instead of 7 hours to full, even with fast charging off.
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Ah okay. I went ahead and bought one!
It ' also the logical thing. With fast charging , the battery holds less charge than the "normal . " He just spoke in various forums of this.
Anyway , great idea.
How to maintain max battery life span (reliable source):
Perform shallow discharges. Instead of discharging to 0% all the time, lithium-ion batteries do best when you discharge them for a little bit, then charge them for a little bit. The table below, from Battery University, shows that discharges to 50% are better for your battery's long-term life than, say, small discharges to 90% or large discharges to 0% (since the 50% discharges provide the best number of cycles-to-usage ratio).
·Don't leave it fully charged. Similarly, lithium-ion batteries don't need to be charged all the way to 100%. In fact, they'd prefer not to be—so the 40%-80% rule you heard is a good guideline. When possible, keep it in that range to prolong its life as long as you can. And, if you do charge it to 100%, don't leave it plugged in. This is something most of us do, but it's another thing that will degrade your battery's health. If you need to charge it overnight, use something like the Belkin Conserve Socket to stop it from charging after it's full.
·Fully discharge it once a month. This may seem contradictory, but hear us out. While lithium-ion batteries shouldn't be discharged regularly, most modern batteries are what's known as "smart batteries", which means that they can tell you how long you have until your battery dies (e.g. "2 hours, 15 minutes remaining"). This feature can get miscalibrated after a lot of shallow discharges. So, manufacturers recommend fully discharging your battery once a month to make sure this stays accurate.
Cst79 said:
In no way I am saying this. I am just saying that you need a cable that reliably supports 2A charging, so the charger shows 2 hours to full instead of 7 hours to full, even with fast charging off.
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But you stated that it increases battery life.
thegame2388 said:
So you're saying that Kindle Fire cable extends battery life? Isn't 100% battery life from one cable the same as 100% battery life from another cable? Energy is energy.
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What he's saying is that a slower charge equals a longer lasting battery between charges.
But maybe that doesn't apply to Li-ion batteries, according to this link here.
Outbreak444 said:
What he's saying is that a slower charge equals a longer lasting battery between charges.
But maybe that doesn't apply to Li-ion batteries, according to this link here.
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You can try it for yourself (if you have an S7/Edge) and report the results here. I posted my results, I'm not an expert, I just tried this. I also tried the 7-hour slow charge (with a different charger) and it didn't work as well as the 2-hour charge. The 2 hour charge seems to work best.
Yeah, If you use fast charging the battery dies a little bit quicker. I recommend fast charging if you are in hurry.
I only use fast charge when I'm in hurry.. Nice feature! I try to charge my phone between 25-80%...
p2kin said:
Battery life depends on how well you follow charging & discharging cycle. I usually fully discharge my battery (so that phone will shut down by itself after dropping below 1% charging), then charge it fully keeping it switched off & then use it..
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Worst thing you can do for the lifespan of an Li battery.
meyerweb said:
Worst thing you can do for the lifespan of an Li battery.
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I disagree, even though it switches off itself, it still has charge, don't go by it says 1%.. so it's not fully discharged... besides my method served a good battery life to me over the years with earlier phone models
Using always connected to Charger?
For long term battery health I wouldn't recommend keeping it plugged in for long periods of time. People say today's batteries have protective circuits that prevent overcharging, but I don't really trust this. So I simply unplug it as soon as it is fully charged.
As for actual better battery life, turn off everything you don't need - GPS, Bluetooth, Wi-Fi, Mobile Data etc. This phone should give you an average of 6 hours SOT. To obtain more you will probably need a custom kernel, but even then the results may vary.
Yeah it has protection circuit to protect overcharging. Lithium based batteries can always take charge, and might self-combust. (ok , worst case. basically, lithium can't get in contact with water. RH in air is just enough to start the self combustion reaction). Nowadays, Li-ion or Li-Po are well made, and this is less problematic.
This as been said, it doesn't mean that this circuit won't trigger the battery every 0.XXX% drop, which is not good, so yeah, until someone do electric reading test on the op5, I won't suggest to let the device plugged in when full.
Simple rules for lithuim based batteries :
- time will kill the battery, even if it's brand new sealed. (normal chemical reaction). Nothing we can do here, limit extreme temperatures, not too cold not too hot.
- heat will decrease battery life and capacity. This mean, dash charging will decrease life. So, 1.2A to 2.0 [email protected] charger is more appropriate. Even if dash tech will regulate the charge, you still have a time that it will optimize to max power, so more heat.
- Polarity direction changes will decrease life/capacity. This mean, do not charge it if you don't need to.
- do not wait to drain it at 0%, I don't know what is the security factor from OnePLus. A single lithium based batterie under 2.60-2.75V, will mostlikely be dead , or will loose more than 50% of his capacity.
Some lithium based battery will perform better, but to keep low price, do not worry, oneplus use standard li-po.
More developed info here :
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
When the phone is plugged, it doesn't use the battery anymore, therefore the battery is not drained. Once it reaches 100%, it just stays at 100% until you unplug it.
Some says that leaving the charger plugged is not ecological, because it still uses energy even if it doesn't charge anything, but in reality it hardly use energy. I don't remember the numbers, but it is really insignificant.
In the end, there are a lot of superstitions concerning charging and battery life, most coming from old habits and false/outdated information spreading through the internet. The only things very true is that you should avoid letting your battery going to 0%, and don't let your battery overheat, and that's all. Charge when you please, as long as you please, and avoid using low-cost chargers or batteries as some can be dangerous.
I used my Xiaomi Mi3 for 3 years, letting it plugged every night with a QuickCharge charger, and it could still handle a whole day when I finally sold it.