Snapdeal : Ambrane Power Bank P-401 (4000 mAh) White http://www.snapdeal.com/product/ambrane-power-bank-p401-4000/1341699178 Description of Ambrane Power Bank P-401 (4000 mAh) White Ambrane Power Bank is Portable USB Power Bank.it can be easily used with any type of mobile phone, media player, tablet PC, digital camera or any electronic device. Take this compact power charger anywhere with you and avoid disappointing moments by recharging your gadgets that are running low on battery and also you can use high power LED torch. The Power Bank comes with 5 different connectors that cover almost all your USB devices and mobile phones. It is 4000mAh high capacity device. Technical Specifications of Ambrane Power Bank P-401 (4000 mAh) White Specifications Output Voltage DC 5V 1000mA Charging time 5-7 hrs Capacity 4000 mAh Battery type Lithium-ion Dimension 93x43x23mm Weight 110g