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22
votes
7answers
2k views

Is power consumed from battery to run the phone when charging?

Is the power consumed from charger or battery to power the device when charging. I ask this because I want to download torrents while keeping the device plugged to charge. I want to know if my battery ...
3
votes
2answers
197 views

My phone doesn't always charge at full speed, even with certain 2-amp chargers. What are the necessary conditions for it to charge at full speed?

I've noticed that my S4 doesn't always charge at its maximum rate of charge, even when it seemingly should. For example, car DC adapters that claim to provide up to 2.0 amp current only provide ...
5
votes
2answers
121 views

Bought a new battery, do I need to calibrate it?

My original battery is bloated and is dying quickly after a full charge so I now bought a replacement. Do I need to calibrate this new battery using a calibration app?
2
votes
3answers
358 views

How can I tell how many milliamps my phone is drawing from the attached charger? Preferably without having to use a multimeter.​

Android.SE user "intuited" observes: I've noticed that my S4 doesn't always charge at its maximum rate of charge, even when it seemingly should. For example, car DC adapters that claim to provide ...
1
vote
2answers
1k views

Remapping power and volume keys

My power button has broken so I'm trying to use the volume up key as the power button instead. My phone is a rooted Sony Xperia Go ST27i running Android 4.1.2. I've tried ButtonRemapper, but this ...
0
votes
1answer
47 views

Car charging at >500mA

I've plugged the AC charger for my Samsung Galaxy S4 into an inverter connected to my car's DC outlet. The inverter is able to power my laptop AC adapter without issues. The S4 charges, but not at ...