High density battery chip, body volume decreased 21.4 percent 9S circuit protection, ensure the safety use  5.1V 2.1A USB output, quick charging 2.1A current output, ensuring the emergency charging needs for its fast charging feature. Up to 93 percent conversion rate Consistent the surface

High density battery chip, body volume decreased 21.4 percent 9S circuit protection, ensure the safety use  5.1V 2.1A USB output, quick charging 2.1A current output, ensuring the emergency charging needs for its fast charging feature. Up to 93 percent conversion rate Consistent the surface technology with MacBook pro automatically adjust the output power, meeting the device's charging needs. Specifications:  Capacity (mah): 10000mah  Special functions: with battery indicator light, super slim, quick charge, long lasting, lightweight  Connection type: one USB output interface, micro USB Battery type: li-ion battery  Color: Gold Material: metal, aluminum alloy Input: dc 5v 2a  Output: dc 5.1v 2.1a product weight: 0.207 kg Package Includes: 1 x mobile power bank 1 x USB cable