Lychee 400A Peak 12000mAh Compact Portable Car Jump Starter Battery Booster Power Bank With Dual USB/Bulit-In Led Flash light Emergency Power Supply Device.(12000mAh,Black) Energy efficiency: Able to jump start your 3L gas or 2.5L diesel vehicle engine around 20 times with 400A peak current. 12000mAh battery recharges in just 3 hours using the included chargers. Advanced Safety: Unlike cheaper variations, multiple safety protections against incorrect setup alarm, reverse polarity, surges, short circuits and charge overload protection. Emergency build-in flashlight lets you flag down passing cars if you're in trouble. Portable & Compact: Unlike traditional bulky jump starter, Ours is small enough to store in your glovebox, and light enough to carry. Multiple function: Besides of jump start a car, this product can also supply power for our mobile phone, MP3/MP4, camera and other consuming electronics. Great for the outdoors when you running out of battery power. Also it becomes helpful when you go out for traveling, camping, expeditions and more.