33
votes
Accepted
Don't charge the battery but use connected power to run the phone
Yes, it's possible if your device is rooted running Advanced Charging Controller-Acc Magisk module
and device kernel supports (see currently known list at the end of answer. For more join telegram
)
...
25
votes
How to limit charging to a user defined limit?
There now is a hardware+app solution for that, it's called Chargie. https://chargie.org
Basically, Chargie is a Bluetooth switch that is linked to an app on your phone. You set the desired level of ...
21
votes
Accepted
Ideal charging / discharging percentage for maximum battery life?
In the comments to linked answer, it was brought out that batteries are not allowed to stay at 100% charge since it is harmful to the battery and the battery % rapidly drops to around 90% as explained ...
18
votes
Is power consumed from battery to run the phone when charging?
Of course your device requires power to run – whether you've set it for charging or not. Question is: Does it use more power than it gets by charging? Which depends on multiple factors:
Your "power ...

Izzy♦
- 90.6k
17
votes
Can Android app repair battery's bad cell?
It's a scam. Android app cannot access physical battery directly.
The battery file is just an interface for Android with value provided by the battery's sensor. Again, a sensor only reads data; it ...
14
votes
Accepted
Fast Charging by Qualcomm 3.0- impact on battery?
Short Answer
From battery health point of view, Qualcomm Quick Charge 3.0 is comparatively better than Qualcomm Quick Charge 2.0, since power used for charging is better controlled, resulting in ...
13
votes
Accepted
Automatically limit (stop) battery charging at a given percentage
Okay.. Got it :)
The first thing to note is on Honor 6, my previous device , there was a single file I could play around with to stop charging automatically
On Moto X play, there are two distinct ...
13
votes
How to limit charging to a user defined limit?
Many ways - all of course, need
root. Without root, it's not possible and you can only be notified either by automation or using an app as suggested in Chang's answer
Battery Charge Limit from Play ...
12
votes
Accepted
How does fast-charge work?
Fast Charging can be achieved in two ways
Hardware based Charging
Qualcomm- Qualcomm Quick Charge 2.0 and Qualcomm quick Charge 3.0. Also see Fast Charging by Qualcomm 3.0- impact on battery?. This ...
10
votes
Displaying Bluetooth gadget's battery status on the phone
This is possible on Android, at least on Lollipop. The feature is dependent on the Bluetooth headset sending the battery level in the right format.
If the headset supports it, you will see an option ...
10
votes
Is power consumed from battery to run the phone when charging?
Tests done to arrive at the answer posted below were correct but the interpretation of results was erroneous on my part. This was validated by two sources including Battery University and based on the ...
10
votes
Accepted
Why would I automatically share usage and diagnostics data?
can I have access somewhere and see what Google is collecting about my own usage and my own battery performance?
Yes. Click on My activity to see what information is collected by Google regarding ...
9
votes
How to limit charging to a user defined limit?
AccuBattery can notify you when the battery charge reaches a certain level. It won't stop the charging, unfortunately, but it's still worth a try. :)
8
votes
Accepted
Is it possible, that old smartphone becomes slow simply because it is old?
Performance has nothing to do with battery voltage. The reason is that the flash memory is "worn" and therefore slower and less responsive.
My Nexus 7 (1st generation) is also very slow now and I ...
8
votes
Accepted
Is battery consumption linear?
Li Ion battery discharge is not strictly linear, (unlike a capacitor ). This ensures available power is utilised till the end of battery charge
But it is fairly linear, more so at lower loads as can ...
8
votes
Accepted
How to tame "Phone Idle" battery drain on unrooted device?
How to nail Phone Idle battery drain is the question, but being unrooted device, it calls for some efforts. Finding the culprit apps isn't as easy as it is on rooted devices but is possible using adb ...
7
votes
What is the standard voltage and current levels for an android battery?
Firstly one needs to understand C-rate or charge rate. Quoting from the linked article
C-rate is a measure that governs at what current a battery is charged and discharged. At 1C, a battery rated 1,...
7
votes
Accepted
What does Discharging means on battery?
Discharging is the opposite of charging.
When you charge some electric component, such as a battery, you are storing potential electric energy in it.
When you discharge that battery, you are ...
6
votes
Can Android app repair battery's bad cell?
I can say %99,9 of all apps that claim to fix battery, get you longer battery life, better CPU usage, better RAM management, are completely useless wastes of battery, CPU and RAM usage.
That app is ...
6
votes
Is power consumed from battery to run the phone when charging?
Yes. Phone does use power from battery when recharging. Although thats something which would more likely depend on how phone is designed, so it may not always be true... but most phones are this way.
...
6
votes
Accepted
Why does my phone automatically power off when there is still 2% battery?
Prowler answers your first question well: "Why does this happen" -> Prevents data corruption.
To answer your question "How can this behavior be overridden?"
You can try:
setprop status.battery....
6
votes
Does 4G consume more battery than 3G if I don't use it for data?
One important consideration is the strength of signal, if you have a stronger 4g signal in your area, 4g may consume less battery... But fallback to 3g in non volte networks is really irksome... ...
6
votes
Battery life difference for 5 GHz vs 2.4 GHz WiFi - which is better
The coverage issue will have something to do with power usage.
When comparing 5 GHz battery drain vs. 2.4 GHz, a lot depends on the coverage you are in with respect to each frequency band.
5 GHz (...
6
votes
Automatically limit (stop) battery charging at a given percentage
Now there's Chargie - a USB stick+Android app combo that limits charging externally. Just install the stick between the charger and phone and use the app to select the charge level. Simple as that. ...
6
votes
How to limit charging to a user defined limit?
My solution is to just use a CountDowntimer on the power outlet, set at 1:20 for me. One hit on the CD button to start the power (ON), and after 1:20 it's OFF again which will be at about 80% charge.
...
5
votes
Displaying Bluetooth gadget's battery status on the phone
As soon as a device implements the Bluetooth Battery Service (BAS), it is able to indicate the battery status.
5
votes
Accepted
Why would Doze feature need motion detection?
It is based off of the assumption that the device is not being used at that time, so it will enter Doze Mode. How do you know that Doze is not being activated? Clearly while in your pocket, if you ...
5
votes
Accepted
How does charging battery in normal, speed and trickle affect battery life?
Proper explanation is fairly technical, so am answering in broad terms (you can skip the links if you don't want to get into nitty gritty)
Charging rate is a measure that governs at what current a ...
5
votes
Is power consumed from battery to run the phone when charging?
Short Answer
Is the power consumed from charger or battery to power the device when charging?"- Power is consumed from the charger.
"I want to know if my battery will take a hit [while downloading ...
Only top scored, non community-wiki answers of a minimum length are eligible
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