... Polymer Onput: 800MA Iutput: 900mA Ultra-thin,LED Torch 2013 Leading Fashion 4000mAh Ultra-thin power bank Specification: Capacity4000mAh/14.8Wh Cell ... typePolymerInput900mAOutput800mASize11.6L x 6.5W X0.8H cm Weight130gFeatures:1.Fashion, Ultra-thin,LED Torch, simplest structure,lightweitht and portable ... over voltage,short circuit protection.One years warranty! 2012 Leading Fashion 4000mAh power bank