This Fast Charging 20000mAh Solar Power Bank is a versatile and reliable portable charging solution. With dual USB ports and USB-C charging capability, it is compatible with various devices. It features built-in over current protection, short circuit protection, over charge protection, and over temperature protection for added safety. The power bank also includes a built-in solar panel to charge your power bank on the go and an LED flashlight for added convenience. Its sleek black and yellow design, along with the 1-year manufacturer warranty, make it a top choice for those looking for a durable and efficient power bank for fast charging on the go.