universal power bank for cellphones and tablet pc, 10400 full capacity,fashionable design, colorful appearance 1.Metal case 2 ... those items which have quality problem in 1 year Battery cell imported Li-ion batteryCapacity10400mAhInput5V DC, 800mAhOutput5V DC ... system avoiding over-charge, over-discharge and short circuit 2012 new 10000mah Power Bank Universal Portable Battery Powered Outlet For iphone