GOOLOO Ultra-Slim 12V Car Jump Starter External Battery Charger Jump start your car and charge your mobile devices multiples times Ultrathin:6000 mAh Lithium-Polymer Battery , only 17.5mm , ultra slim design Efficient and rapid charging : 2Amp USB Port for rapid charging of portable devices, such as Apple iphone 6s / 6s plus , cell phone Built-in protection features: over current protection; short circuit protection; overload protection; over-voltage protection; over-charge protection The ultra-bright LED flash light has 3 illumination modes, a flash light when you are in the dark, a strobe light to attract attention, and most important an SOS signal flash that will last up to 120 hours on a full charge for when you are outdoors and in need of emergency help.