6800mAh Universal Battery Pack @SGD$50.

Capacity:6800mAh

Input:DC 5V, 1.0A

Output :DC 5V, 1A / 2.1A

High capacity, long standby and light-weight Allows you to always have a battery charging backup when you are away from a AC outlet Comes with a USB cable with 9 different adapters

Product Details: weight: 219 g szie: 19.2 * 11 * 3 cm