Preventing charging when connected to PC

[stebbo69]

I use my S2 tethered to my laptop (via USB) but what it means when I'm away from a power source is my laptop discharges quicker because it's charging the phone. So I end up with dead laptop battery, fully charged S2.

I'd like to be able to not have the phone charge when connected.

I've heard there are issues with creating WiFi hotspots? It didn't work for me on first attempt so I didn't pursue it further.

 

[peachpuff]

Possibly if you cut the +5volt and ground wire in the usb cable it might work, then you'd have only the +/- data wires. Just do a bit more research on this as im just thinking out loud, no idea if this will actually work.

 

[olifee]

In case you use Siyah-kernel, adjusting the charging current is also an option.

WiFi-hotspot-tethering should work, too, however, it will also give faster battery drain of the mobile (and the laptop also has to keep WiFi active).