【Powerful and Efficient】4000A Peak Current: This car battery jump starter delivers an impressive 4000A peak current, capable of starting almost any 12V vehicle engine in just a few seconds. Whether you have a large 10.0L gasoline engine or an 8.0L diesel engine, this jump starter has got you covered. Say goodbye to the frustration of a dead battery!

【BOOST Function for Dead Batteries】Revive Dead Batteries: Don't worry if your battery is completely drained. Our battery jumper starter portable features a unique "BOOST" function that can revive even the most lifeless batteries. With this jump box, you can get your car started quickly and easily, no matter how low the battery is.

【Multiple Safety Protections】Smart Chip Design: Equipped with an intelligent chip, this jump start battery pack offers 8 layers of safety protection. It guards against sparking, overcharging, short circuits, reverse polarity, and voltage surges. With high-quality 100% copper clamps, heavy-duty cables, and a fire-resistant casing, this portable car jump starter ensures your safety and peace of mind during every use.

【Multi-Functional Emergency Starter】USB Type-C 18W Input/Output: The AB4000 jump starter features a USB Type-C port with 18W input/output capability. Not only can it jump-start your car, but it can also charge your smartphones, tablets, and other devices. Additionally, the built-in DC output port allows you to power 12V DC devices, making this jump pack a versatile tool for any emergency situation.

【LED Light with Multiple Modes】300 Lumens LED Light: This car jumper starter portable comes with a powerful 300-lumen LED light that offers three variable lighting modes: steady, strobe, and SOS. Whether you need to change a tire at night or signal for help in an emergency, this jump box for car battery has you covered with its versatile lighting options.

【Convenient and Durable】EVA Carry Case: This portable jump starter for car comes with a durable EVA carry case, making it easy to store and transport. The compact design ensures that it won't take up too much space in your trunk, while the sturdy case protects it from damage during transit.

【WHAT YOU GET】Car jump starter x1, jumper cable x1, charging cable x1, QC18W Adapter x1, User Manual x1, EVA carrying case x1. You also get 1 year of quality assurance, 30 day free refund period, and a lifetime of free technical support. We also offer an extended warranty plan.

【Friendly Tips】1. Please keep the battery starter power above 50%, the startup efficiency will be better.2. If you don't use it for a long time we recommend you recharge the jump starter once every three months. 3. Under the “BOOST MODE”, you need to start the car within 30 seconds, otherwise it will exit BOOST mode. If you have any questions, please send us an email: support@getampbank.com.