Features:-Built-in large-capacity battery can achieve ultra-long battery life and charge a variety of devices.-Suitable for charging 12V diesel and gasoline vehicles, mobile phones, PSP, MP3/MP4, PDA, laptops, car refrigerators, etc.-Equipped with LED light, it works as a flashlight for emergency situations. It has strong light mode, flash mode and SOS mode.-There are 9 safety protection designs, overheat protection, short circuit protection, voltage protection, over-current protection, overcharge protection, over-discharge protection, anti-reverse connection protection, magnetic field protection and battery protection.-Made of ABS material, it is resistant to high and low temperatures and can work in an environment of -30℃~70℃.-Designed with a compass t.