universal power bank for cellphones and tablet pc, 2200/2600 ... ion batteryCapacity10400mAhInput5V DC, 800mAhOutput5V DC, 1000mAhMaterialAluminumOperating temperature -10 to 50°CCycle lifespan≥500Charging time3 to 4 hours FeatureSmall volume,super capacity, universal to ... over-charge, over-discharge and short circuit 2012 new Universal portable battery powered outlet for all kinds of phones capacity ...