Keep your electronics powered up no matter where you are. The Re-Fuel 100000mAH powerbank has 2 USB ports so you can fast charge multiple devices at the same time. This solar powerbank has the ability to trickle charge devices using the power of the sun, so just clip it to your gear and your devices will charge as you go. IPX4-rated waterproof, and has a built in flashlight for added convenience. Provides 2.1 amps of power. The Re-Fuel powerbank can also be recharged using a USB cable.