【HIGH QUALITY STARTER】This car starter has a built-in 20000mAh high-capacity high-speed lithium battery. Equipped with a static 0.05mAh low-power sleep mode, the battery can still be maintained for long-term use. With LED intelligent digital power display, it is convenient for you to know the remaining emergency current.【3 IN 1 MULTIFUNCTION】 The car battery charger jump starter can be used as portable power bank and flashlight. Designed with 4 USB outputs, the USB port charges your devices faster and is compatible with almost any USB charging device, including mobile phones, tablet or digital cameras. With compass and LED/SOS light, the LED work light has 3 modes: flash light, flash light and SOS light.【MULTIPLE PROTECTION】 The intelligent wiring clip has several advanced security technologies including overcurrent protection, overload protection, overvoltage protection, overcharge protection, and high temperature protection, ensuring safe. The battery aid starter can safely connect to all petrol vehicles within 12V 6.0L and diesel vehicles within 12V 4.0L.【WIDE APPLICATIONS】 Car battery starter kit can work with cars, motorcycles, jet ski, ATV, UTV, SUVs, lawnmowers, yachts, boats, pickup, snowmobiles, etc. Portable multifunctional jumpbox is for camping, outdoor, indoor, emergency, travel, etc. It can work normally even in cold temperatures of -20 °C.