This power bank is unprecedentedly equipped with dual input ports which have total input up to 4A so that it can be filled up within 6 hours. Four USB ports with a total 4.8A output make it possible to charge four devices simultaneously at full speed.
Exclusive Smart Technology
This 20000 mAh power bank can automatically detect the input of devices connected and therefore output the most appropriate current due to the Smart technology applied in it, making the charging process safer and faster.
All-around security protection effectively prevents your devices from overcharging, over-current and short-circuits.