[Erisin|MTCD|KGL|RK3188v|Android5.1.1] Battery Drain - Android Head-Units

Hello,
My HU is draining my battery within 2 days. I have to remove the HU fuse everyday to keep my battery Full.
I updated the MCU KGL to 2.54, and now I have a new option "ACC off delayed shut down" which it set to 30s.
But When I turn the ignition Off, even after 30s, the power button led stay ON. Is it Normal?
I'm afraid not to remove the fuse, and end up with a dead battery the next day.
Is there a way to make sure the delayed shutdown works?

Related

Power Button and Data Retention BiG Problems

Hi All,
I have such a big Power issue with the Magician, or at least Orange's M500 version of it that i'm thinking of taking back the device :'(
It doesn't appear to be a device fault, but a design fault.
In the manual it says that if you press the power button for a short time (less than a second) it turns the PDA on and off. This seems to be correct.
In the manual it says that if you press and hold the power button for two seconds it turns the phone off, but this doesn't work. Instead it turns on and off the back light. If the PDA is on, it turns on and off the back light. If the PDA is off it turns it on with the backlight on.
Last night I turned my PDA into standby mode (As i can't turn the phone off) before going to bed. Around 3am in the morning my PDA woke up saying that the battery power was low. I turned the PDA back into standby mode but it complained later on that night. i.e. had a bad nights sleep last night.
I thought it best to remove the main battery so that it wouldn't continue to wake me up, making sure that the phone and PDA were turned off (no power) and let the data backup battery retain the data until i woke up (5 hours time). However, when i woke up the internal data backup batery was flat. It was fully charged before the i took the main battery out. It is supposed to last 72 hours right!!!!? What a nightmare!
I was wondering if anyone could help me answer these power related questions, as i love the device, but its useless if it won't retain the data when it says it should.
How do you turn the phone off so that nothing is running at all? (i.e. to make sure that the internal battery is only being used to retain my data)
Does activating bluetooth drain the main battery faster even when the PDA is in standby mode? (I think i may have left it switched on last night)
Why would the internal data retention battery drain flat in under 5 hours when the main battery is removed loosing all data? Does it need the main battery in place in order to work? Could the phone and the PDA in standby mode by running off of the internal power?
Thanks in advance to any help you can give. As you can imagine i'm very disappointed as i love the functionality of this device.
Neil
When you took the battery out and left it out, if you had slid the back down (this is the same as a power off) you would of been ok.
The action of sliding the back down and back up is equvalent to a power off. When you press the power button after this, it is like a cold boot. (Not a hard reset)
I hope that made sense.
So to power off the phone and PDA you have to slide off the battery cover and slide it back on again without taking the battery out. Surely there is an easier way to turn off the phone and PDA that to remove the battery cover?
Thats how i do it. I'm sure there is a different [proper] way, but i'm not sure what it is.
Hi
The main battery when flat enough to power off the pda should have 72 hours data retention, its designed that way... so if it goes flat on friday you will still have your data on monday. thats why it was designed that way and apparently it shuts of at 50% capacity.
Bluetooth active will drain more power.
the backup battery is only supposed to last around 20 mins or less, designed so you can take the main battery out without losing data. this is because Ram needs constant voltage to store contents. hence if you leave your main battery out for more time the backup battery has charge you will end up with a hard reset occuring.
The manual needs to be updated i guess. If you want to turn off the phone you can turn on flight mode which disables the GSM radio functions.
Oh and out of interest for the battery type Li ion, its actually better to keep them charged, they dont have cycles like older batteries. they only have a certain lifespan which starts from the date of manufactor and keeping them at low charge degrades them faster.
Enjoy
SpeedN
So up until the 50% point, pressing the power button just puts the PDA in standby and the Phone is still running. Only when the power goes below 50% ish does the PDA power off completely?
So after the phone is fully charged, the M500 battery life meter says there is 6 hours and 31 minutes of battery life in it. You say that the device will turn itself off at 50% battery life remaining, so that means it only has 3h 15m of useable time before it switches off? Can the phone / PDA be used when power gets below 50% or will it just not power up until its recharged?
Thanks for your help BTW very useful information.
Neil
The battery life meter will say eg 6h 31m, the device will turn off in 6h 31m give or take (usage dependant).
when the device is flat there will be still 50% capacity in the battery to allow for the 72 hours data retention. hope thats clearer.
when it is in that state it wont turn on I think...sorry been along time since i been in that state, untill you charge it.
SpeedN
Surely the easiest way to solve this (and yes I was fooled by the manuals answer to press and hold) is to enable flight mode(which turns the phone off) then turn off ? there are a few apps/ shortcuts that will switch to flight mode easily, you then simply press the off button.
Or did I miss something
I think when we push the power off button (or if we select the machine to be powered off after a period of idle time, through setting), the machine will be off except GSM functions. So when you turn on again, it takes a few seconds to make the machine runs.
You can try if you turn off the button, after few minutes (should be more than 180 seconds), then push the Green button to dial, it takes 3-5 seconds to make the dialing pad comes out.
If you do not select the machine to be power off after a period of idle time, you can use other software to "screen off" the machine, so that when you push green button to dial, it comes out very quickly.
If you turn off the GMS, and turn off the PDA, it will not really get into sleep but will be in the state of retention of data. In any case, when you wake up the machine it takes a few seconds.
Therefore, when you are on the run (say on the street) and make calls frequently, do not power off the machine so that you can make calls quickly.
That is only my experience, I have checked other HP and XDA phones, same results. So nothing to do with the speed CPU and size internal ram.
When the machine is ON, I under clock to 208, the dialing pad also comes out very quickly.
flight mode = on , thats all, it turns the gsm function off, so battery would last long.

Qtek 9100 dead battery

I had this same problem last week. I placed the unit on the charger for hours to no avail. It didn't charge one bit.
I sent it back to my vendor, and they replaced the battery. Now, it's OK.
The thing I'm worried about is that it may discharge completely again, and the battery may go flat again. When it happened the first time, I actually didn't know what caused it to drain. I had it charging before I went to bed so I was pretty sure that it was fully charged when I disconnected it from my laptop. Then when I woke up in the morning, it was completely drained. I'm aware that an apps may have caused it to wake up and not go to sleep, but to completely drain in just a few hours?? :shock:
Do you have it set to not go to full standby, but only turn off the backlight so you can always tap the screen to wake the pda up rather than having to push the power button? (I'm assuming your pda DOES turn the backlight off )
Other than that... well having wlan, bluetooth and IR on all the time will help with draining the battery...
edit: okay read your post again and realise my question is a bit out of place, guess that's what I get for posting at the end of my nightshift (33 minutes til I can head for bed woohoo)
Nope. It's set to 2 minutes to turn off backlight, and 3 minutes to turn off device, if no activity. Wifi is OFF, IR is OFF, BT is ON.
With that, I really see no way it can drain a fully charged battery overnight (with no one using it - I'm asleep). :|

Noticed something strange with battery level

Hi
I have noticed something strange happening with my phone. I have started charging it every night now so that it will be fully charged the next day.
When it is fully charged, I turn it off completely to save the battery, and to stop noisy email alerts. In the morning I turn the phone back on and it says 73% battery level, despite being turned off overnight, so nothing should be draining the battery.
If I leave the phone on Standby overnight the battery level is always 90%+ the next morning.
What the hell is going on? Does anyone else notice this quirk?
You can try another battery and oberve if the problem would still occur..
It could have something to do with the difference in temperature? In the morning it's coooled off and maybe that does something with the measurement?
Did you put ur fone into flight mode.
NewSPV said:
Hi
I have noticed something strange happening with my phone. I have started charging it every night now so that it will be fully charged the next day.
When it is fully charged, I turn it off completely to save the battery, and to stop noisy email alerts. In the morning I turn the phone back on and it says 73% battery level, despite being turned off overnight, so nothing should be draining the battery.
If I leave the phone on Standby overnight the battery level is always 90%+ the next morning.
What the hell is going on? Does anyone else notice this quirk?
Click to expand...
Click to collapse
Huh, I've never heard of that before, but then I never turn mine off. When you say "turn it off" I am assuming it is when you hold down the off button for a few seconds and answer yes to "really" turn it off. I think its very strange that it uses more power off than in standby. Maybe you have come across a nasty hardware bug. Keep us posted.
Matterhorn said:
Huh, I've never heard of that before, but then I never turn mine off. When you say "turn it off" I am assuming it is when you hold down the off button for a few seconds and answer yes to "really" turn it off. I think its very strange that it uses more power off than in standby. Maybe you have come across a nasty hardware bug. Keep us posted.
Click to expand...
Click to collapse
Yes I do mean holding down until it tells you data may be lost are you sure.
And it is still doing it. If I fully charge my phone at night and then leave it on standby the next morning the battery gauge will say something like 96%.
If I turn it off, it is always under 80% the next morning, this makes no sense. I leave the phone in standby now with the volume off, and the backlight and power set to switch off.
I keep it in a cradle now, this is a stock photo, not my phone in the cradle.
Charge your battery to FULL, then take it out of the phone when going to sleep, when you WAKE up, put the battery in, if it's at 100% or 99% then it's your PHONE. If it's at 96% like you said before then it's your BATTERY.
Memory card draining power
This was a ROM bug on i-mate JAMin on the first ROM versions that was available. A memory card inserted will drain power from the device. What brand do you have and do you have a memory card inserted ?

Battery drains while shut down?

My battery had a full charge. I shut down the A7 (not standby), went to use it a day later and it wouldn't boot up.
Why would the battery drain while it's shut down? Anyone else experience this?
The only thing I can think of is the device was in sleep not shut down.
I have shut mine down after a full charge and then the next morning the full charge is still there.
If it keeps happening then something is wrong with the device.
Rob
Thanks, I am quite sure that I chose power off, but of course I'm not infallible.
I'm paying close attention (hold power button for 2 seconds, select "power off" not suspend), so I'll have to monitor the situation when I'm not using it as much.
By the way, last night after posting this thread, I shut off the Wifi and Bluetooth. I know those affect my phone's battery.
Does anyone else need to disable Wifi and Bluetooth? I don't recall it being in the manual.

Need URGENT help with extreme kitkatt bluetooh battery drain

After I upgraded to Kitkatt i have noticed bluetooth appearing in the battery percentage. I have read from others about 5-10 percent maybe but my battery drain is ENORMOUS given the way battery was before kitkatt. I have done a full factory reset and wipe. It seemed to fix it and i was so happy. Now it s back and i have no clue why. I don t use location services. Battery saving button is always on and i keep it to minimum usage.
Ps: the screens were taken a few mins after i woke up. So there was no active usage on the phone during the drain because i was sleeping.
Ps2: Bluetooth has never been turned on. I do not use it.
Ps3: This happens in bursts of battery drain. 5% may be used while i wrote this post and some facebook use for 1 hour, and after a while in 1 hour of leaving it on the table i will lose 10% from Bluetooth.
Tldr but did you try hard reset the phone?
Also try rebooting the phone in safe mode by holding power of button and then when power off menu comes on, hold power of for 3-4 seconds to reboot in safe mode.
Let me know if any of these work.
Hmm its weird that you have such an enormous bluetooth drain in the first place, and in the second place that bluetooth isnt even enabled??? You could maybe post an logcat also with enabling/disabling logcat since maybe bluetooth got bugged in a weird way on your system. Please quote my post since else I may not notice your post and then I can't respond back.

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