Samyo 12000 mAh Multi-function Emergency Vehicle Car Jump Starter Personal External Power Bank Battery Charger with LED Light for Laptops Cell Phones Multi-function 12V vehicle jump start, can also charge for various cell phones, PSP, MP3, PDA, Notebook, Car refrigerator, etc. High Capacity 12000mAh rechargeable battery. Can start your car 20 times on a full charge. Support fast charging, low self-discharge. Multiple safety protection design: over current protection; short circuit protection; overload protection; over-voltage protection; over-charge protection. Support 3-kind lighting modes (High light, Fast Strobe, SOS) for illumination and SOS use. (Long press the Power button to turn on the LED light). Includes case with jumper cables and charging adapters for all major electronics devices.