Battery type Lithium polymer battery Battery energy 20000mAh Input interfaceMicro-USB Output interfaceUSB-A 5.1V/3.6A Dual USB output Panasonic / LG high-density battery cells Dual USB ports with fast charging support Rapid charging with 44% speed increase Compatible with 5V/2A, 9V/2A and 12V/1.5A charging, The power bank takes just 3 hours to charge 11000mAh and 7 hours to charge fully 3 - that's 44% faster than two 10000mAh Mi Power Banks combined. It maximises time on-the-go so you spend less downtime on charging. 18% lighter compared to 10000 mAh Power Banks Brand Xiaomi SKU 100252149_NP-1020509192 ports 2