Charge your mobile without a power outlet April 12, 2010 Electronics / DIY electronics 76 383 15 Very often there are situations when the battery on the phone is dead, and there is no power outlet at hand. Or, for example, you are going camping for several days, and you constantly need a work phone. Buying spare batteries for your phone is expensive and unreasonable. But finger-type batteries are cheap and you can find them in any stall. To make a device that charges the phone with ordinary batteries, you only need a piece of wire with a charging plug, a 2 ohm resistor and four AA batteries. Source: metacafe.com come back 80 1 2 3 4 5 Similar workshops How to stick a protective glass on the phone Universal usb charger Phone in a metal case Simple hidden wire detector Squeeze the last juice out of the battery Mini flashlight Mobile Phone Holder Skype phone from a broken mobile phone Robot bug LED cube 3x3x3 not programmable Rose of simple motives Simple converter for powering energy-saving lamps Sprig of magnolia To comment Check the box: Submit