... capacity li-ion polymer battery, 5000mah, to make sure 500 times above charging cycle..2. Two USB output socket, can also charge ... display the power and electricity state.Specifications:1. Core type: li-ion polymer core, rechargeable, 500times above charging cycle,2. Hard ... capacity li-ion polymer battery, 5000mah, to make sure 500 times above charging cycle..2. Two USB output socket, can also charge ...