This portable jump starter delivers up to 4000A peak power to start all 12V vehicles including cars, trucks, SUVs, motorcycles, and diesel engines up to 10.0L in seconds. Built with a high-capacity 27800mAh battery, it also functions as a powerful emergency power bank with fast USB charging for smartphones, tablets, and other devices. Equipped with advanced safety protection and smart jumper cables, it ensures safe and reliable operation in all conditions. The compact and rugged design makes it easy to store in your vehicle for emergencies, road trips, and outdoor use, providing dependable performance whenever you need it most. | Avapow | | 4000A Portable Car Jump Starter with 27800mAh Power Bank and USB QC 3.0 Fast Charging | Best Buy