Features: -With LCD power display, you can always know the remaining power and charge it in time. -It adopts advanced intelligent protection chip, with five levels of safety protection: overcharge protection, discharge protection, overload protection, short circuit protection and leakage protection. -Built-in 20000mAh battery, supports solar charging and charging cable. -Equipped with Apple, Type-C, micro USB, USB cable, supports charging of different electronic devices. -Small size, light weight, easy to carry, easy to deal with various emergencies. .