The Samsung Fast Charge Portable Battery gives you up to two additional full charges to your smartphone. With Samsung Fast Charge**, compatible devices can charge up to 1.5x faster than standard USB charging options. For other USB compatible devices, a universal USB output port along with the included Micro USB cable and USB-C adapter enables charging at standard charging rates.

You can charge your battery and phone at the same time with pass-through charging.  Connect your phone to the portable battery, and then begin charging the battery.

A LED power indicator shows just how much power is left in your portable battery.

The included Micro USB cable and Micro USB to USB-C adapter lets you charge many types of devices.  Devices will charge at up to 2A speeds.  Samsung Fast Charge compatible devices can charge up to 1.5x faster.