... polymer battery, 5000mah, to make sure 500 times above charging cycle.. Two USB output socket, can also charge iPhone, iPad ... Core type: li-ion polymer core, rechargeable, 500times above charging cycle, Hard plastic shell, white color, The battery capacity: 5000mah ... weight: GW 13.5KG, NW: 11.5KG. 5000mah High quality portable mobile travel charger 5000mah High quality portable mobile travel charger