GOOLOO GP4000 Auto KFZ Starthilfe Jump Starter 24000mAh 4000A Booster Powerbank

It works as a compact portable 15V/10A (max) DC source for 12V DC devices such as tyre inflators, car refrigerator coolers, car vacuum cleaners, etc. (12V cigarette lighter adapter is included). The LED light has three modes: Flash, flash and SOS light.

eBay