Efest brings you something revolutionary, traditional 18650 chargers may be a thing of the past! The Efest power bank houses a massive 12,000 mAh battery. USB charging is starting to be more and more common and as such people are slowly starting to get away from traditional chargers. If you have a device that is USB charging capable then this becomes a “no brainer” as you’ll never have to remove your 18650 battery or worry about carrying multiple batteries again! It features one USB slot to connect your USB charging capable devices and one Micro USB to charge the power bank itself. The Efest power bank is guaranteed to make your day to day charging less of a headache!