The BSMOOM portable car starter has a peak current of 5000A. If your vehicle's battery is damaged, this portable battery starter can quickly start the car battery in just a few seconds. Suitable for all 12V trucks, lawn mowers, motorcycles, ships, SUVs (including all gasoline and 10.0L diesel engines)This in-vehicle emergency start power box is equipped with USB ports for outputting 5V/2.4A and Type-C inputting 5V/3A power. It supports charging smartphones, tablets, Bluetooth headphones, cameras, and smartwatches, and will automatically turn them off when not in use. You can use the included Type-C cable to charge the emergency starter.There are eight protective functions to safely start the vehicle.Multiple LED modes can be used in darkness or emergencies.LCD display, LCD chip capable of operating at extreme temperatures, products with screens