Battery Travel Wall USB Charger for HTC EVO 4G Sprint New generic and high quality Battery Charger.Smart LED indicator shows charging status Complete charging solution for cellphone batteries Charger is designed with a foldable A/C plug that charges your cellphone battery anywhere in the ... Quick charge with automatic constant current control prevents battery from overcharging, short... A/C power supply input voltage: AC100V~240V. Output voltage: DC 4.2, 350mA.Dimension: 3.25 x 1.1 ...