Nekteck Multifunctional Car Jump Starter Portable External Battery Charger 600A Peak With 16800mAh High Capacity - Emergency Auto Heavy Duty Jumper For Sedan Truck,Van,SUV, Laptop and More Compact powerhouse that fits in your back pocket, will jump start a your car, Also charges smartphones, tablets, speakers, and laptops. 600-amps of power jump starts your 6L gas or 5L diesel cars, motorcycles, ATVs, lawn mowers, tractors, and more up to 12 times, and to get you back on the road fast. 16800mAh high battery capacity for cellphone, tablet (ONLY include Micro-USB Cable) and laptops (ONLY 8 adapters included) Built-in Super bright LED flashlight in case you are stranded at night. Safety protection for overcharge, overvoltage, overcurrent, and short-circuit. Batter Type: Li-Polymer Capacity: 16800mAh Input: DC 12V 1A Output: DC 12V/1A 16V/2A 19V/3.5A 5V/2A Car jump Output: 12V Start Current300A Peak Current 600A Applicable temperature range: 0~85 Don&#039;t jump start any engine that exceed the maximum displacement the unit can bear, or it will cause serous damages to the unit Your jump starter will perform best when its battery is fully charged Don&#039;t connect the positive and negative polarity together when it&#039;s power on Don&#039;t crank the engine for more than 4 seconds. Allow the jumpstarter to cool down for at least 30 seconds after each jump-start 1 x 16800mAh Nekteck Car Jump Starter 1 x Car Charger 1 x 100-240V AC Power Adapter (UL Listed) 1 x Jumper Cable with Battery Clamps 1 x Laptop Connecting Cable (Spec: 5.5mm x 2.5mm) 8 x Different Laptop Adapter Connectors 1 x Micro USB Cable 1 x User Manual 1 x Portable Carrying bag