Product Overview: Ergonomics U type chamfering Embossed sculpture Embedded Power Button Bright LED Light Smart and fast charging Intelligent device recognition Compatible & device protection Dual USB Output Capacity: 10000 mAh Input: 5V- 1A (Max:2A) Output 1: 5V-2.1A (Max.) Output 2: 5V-2.1A (Max.) Cycle life: >/-500 times Cell type: 18650 Li-ion Battery http://www.groupon.co.in/deals/shopping/white-cenda-t50-10000mah-power-bank/707874 PC: Snapdeal @ 999 - http://www.snapdeal.com/product/cenda-power-bank/266675779 Flipkart @ 999 - http://www.flipkart.com/cenda-t-50-power-bank-10000-mah/p/itmefunjuzw2bcm6 @ 949 - http://www.infibeam.com/Mobile_Acce...-mah-power-bank/P-moac-72229981075-cat-z.html