Recent content by joaoareias

Thanks man, I just can't find a store that sells it here and I don't want pay for shipping so this way will be cheaper.

Hey guys, I want to make an mobile battery charger to my phone and what I want to do is basically hook up some regular batteries on a usb cable so I can just use as a emergency battery to my phone. The problem is I don't know how much volts should I use, I can do a 3.0v or a 4.5v with those...