Specifications: Battery cell: polymer Li-ion battery Capacity: 5,000mAh Input: 5V, 1A (mini USB) Dual USB ... : 115 x 76 x 14mm Features: Portable, rechargeable and universal backup battery for phone and tablet Dual USB outputs, it can charge two ... same time Refined aesthetic shape with clear element Equipped with Li-polymer battery protective circuit, which can avoid over-charge, over-discharge ...