GOOLOO is a Supersafe and reliable automotive jump starter offering the users maximum power. This jump box has a 4500A peak current. You can use it to start 10.0L gas engine or 8.0L diesel engine in a few minutes. GOOLOO 4500A Peak 12v car battery pack jumper booster comes with 59.2Wh high capacity and portable battery charger. It designed with two USB charge ports. This automotive battery jumper pack can be used anywhere for its compact body.It is equipped with type-C input and output, which enables it to supports type-C charging USB.The other outstanding thing about this best battery jump starter for the large engine is its ruggedness and super security.