can i use 4 AAA rechargeable batterys for my usb altoids charger without capacitors or anything? Answered
i want to build altoids usb phone charger. i have 2 options using 9v battery and 5v voltage regulator, or using 4 AAA rechargeable batterys without anything expect female USB . So can i build 4 x AAA usb charger and what else i need ( diode, capacitor,....)?