VicTec Multi-functional Emergency Automobile Car Jump Starter & Portable Power Bank 400A Peak with 12000mAh and Built-in LED Flashlight With 400 amps of peak current, this car jump starter can start your vehicles those displacement of engine are 4L (or below ) gas /2.0L (or below) diesel up to 20-30 times. It is convenient for you to jump started your car from dead battery With 12000mAh polymer rechargeable battery and intelligent charging IC, it can automatically detect the appropriate current of charged device, collocate 2 USB charging ports(5V/1A or 5V/2.4A), it can be used to charge your phone, tablets, pad and digital camera Compare with other normal clamps, this product's clamps provides you surge protection, charge overload protection, recharge overload protection, short circuit prevention and reverse polarity protection With light-weight and durable construction(dust-roof, splash-proof and crash-proof), it also can used as a flashlight. Completing with a emergency warning lamp, which supports up to 300 meters long distance. A perfect companion for emergency Adopt Lithium ion polymer battery, it can supply extra long battery life. Super Low battery capacity fading, the battery performance still keeps good after 3,000 time cycle use