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
)
...
- 41.3k
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 ...
- 451
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 ...
- 41.3k
14
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 ...
- 41.3k
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 ...
- 41.3k
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 ...
- 41.3k
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. :)
- 17.7k
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 ...
- 41.3k
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 ...
- 4,062
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... ...
- 161
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 (...
- 161
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. ...
- 451
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
Ideal charging / discharging percentage for maximum battery life?
A good metric of battery life is the total energy it provides during its lifetime, which is number of charge cycles*capacity at full charge. If your phone uses X Joules a year and the battery is able ...
- 615
5
votes
Does 4G consume more battery than 3G if I don't use it for data?
...
The LTE radio states drain slightly more power than their counterparts
in 3G, because the tail states (Short DRX and Long DRX) stay at the
higher base power, while much of the 3G tail is in ...
- 811
5
votes
Understanding Samsung Power Settings
This is an educated guess, based on my interests in battery related things.
Android Pie introduced five buckets, to classify apps, as a part of power management, in the sense app restrictions (and ...
- 41.3k
4
votes
Displaying Bluetooth gadget's battery status on the phone
For some headphones, in order to see the battery percentage you have to enable the "Calls" button or something similar to that in the Bluetooth settings of the device.
- 41
4
votes
Accepted
Is the fast charge safe for long-term usage with Li-Poly battery?
A lot of sources on the Internet claim that fast charging immensely reduces your battery capacity over time. But you have to be careful interpreting them. For instance, take this figure:
As you can ...
- 237
4
votes
Why is "mdnsd" draining my battery and how to stop it?
WHAT IS MDNSD:
mdnsd (Multicast Domain Name System Daemon) is Android's implementation of mDNSResponder, a part of upcoming Zero Configuration Networking. It allows you to automatically discover ...
- 21k
4
votes
Accepted
Prevent dark mode from activating during battery saver
According to the source code file
frameworks/base/core/java/android/provider/Settings.java
there is a global setting in the user profile called battery_saver_constants, which can hold several comma ...
- 91
4
votes
Ascertaining damage from fully discharged android phone
Battery Cycle count is a more reliable yardstick compared to battery capacity in mAh see note at end. It is likely your phone shows this information under Settings → About phone → Battery information....
- 41.3k
3
votes
Turn screen off without Android sleeping
I had some trouble with the accepted answer as I'm not hugely familiar with shell scripting on Android/Unix/Linux so I thought I'd add my experience here for anyone in a similar boat.
To get this ...
- 31
3
votes
Accepted
How do alarms work with Period Battery Optimization?
This is 'doze', a new power optimization feature introduced in Marshmallow.
Apps have to be compliant to doze specifications (APIs), to work continously across system low power states.,
While Google ...
- 46
3
votes
Does 4G consume more battery than 3G if I don't use it for data?
Actual modem power consumption values are closely guarded and not made available publicly. Although I can’t share exact numbers, I can tell you that 3G and 4G standby power consumption is almost ...
- 381
3
votes
What is the best state to leave an Android device in?
Looking at it from a battery point of view
Leaving the device in sleep mode is preferred , unless your usage is very infrequent
In addition, you can use Greenify (see greenify wiki) and Wake Lock ...
- 41.3k
3
votes
I have something called mdnsd draining my battery, but I don't have firefox, I just use the basic browser what other apps cause this issue?
Following the discussion here, mentioning mdnsd as a bug associated with firefox, it now tends its not firefox alone
being attributed to this massive power drain through mdnsd.
A more detailed ...
- 10.2k
3
votes
What resets the battery stats
"What is it precisely that resets the battery stats?"
Quoting from an old post by a Google engineer
....it is reset every time you unplug from power with a relatively full charge (thus why the ...
- 41.3k
3
votes
Accepted
Schedule power off/on in 8.1.10 Oreo
This hasn't been a stock Android feature. Some sources including this Missing "Scheduled Power On/Off" option in Android 5.0.2 on Swipe Elite Plus phone talk of it being on Lollipop but I ...
- 41.3k
3
votes
Why is "mdnsd" draining my battery and how to stop it?
It seems like it is the daemon for multicast DNS. I have the same issue as OP and Trevor. My solution is the following (assuming you have a rooted device). If you have adb, then do step 2 over that, ...
- 131
3
votes
How does degoogling affect battery?
You can run Google free device, however you really have to know what you are doing.
Removing Google apps and services from an existing device isn't a recommended way. You may run into serious problems....
- 21.4k
Only top scored, non community-wiki answers of a minimum length are eligible