... +-0.5V 500mah Output : 5V 800mah Power Station Portable Mobile Charger for iPhone 4G 3G iPod,1900mAh,whiteDescription:Brand new high quality ... can be taken anywherePlug and playCapacity test button,LED indicator for battery power statusSpecifications:Capacity: 1900 mAhInput : 5.5v+-0. ... Touch,iPod Nano,iPod Classic,iPod Video, Power Station Portable Mobile Charger for iPhone 4G 3G iPod,1900mAh,white