16800mAh 12V Car Jump Starter Rechargeable Lithium Battery Booster Power Bank 4USB Multi-Function

16800mAh 4USB Multi-Function 12V Car Jump Starter Power Bank Rechargeable Battery Feature: Short circuit, over-charge, and over-heat protection,very safe. After fully charged one time, can keep about months.Noraml use can keep 3-5years. Start car at one time on cold & hot areas. Very connvenient.can be charge at home(100-240V) and car. Normally use 3hours for full charge. By using our free connector ,you can use it to provide power for your car refrigerator or other 12V electronics like car cleaner. Safety hammer for knock glass when meet emergency. Specification: Type Portable Car Jump Starter Color Black Capacity 16800mAh Actual Capacity 16800mAh Use life 3-5Years USB Output 5V/2A Laptop Output 15V/16V/19V Input 12V/1A Starting Current 300A Peak Current 600A Operating Temperature -20~+60C Host Weight App