Note:Please read the product instruction carefully before use, and use it correctly according to the instruction. Features: 1Emergency Charging: When you can not start the car with low battery in the field, the car is left for a long time, the battery is worn out, and the car cannot start when the voltage is insufficient in winter, this starter power can easily solve your problem. 2Cold Resistant: The 20000mAh large capacity backup power supply is very convenient to carry and the lithium battery has a builtin smart power IC, and it can also be used in severe cold under 20. 3Power Display: It also can be used for your digital equipment. The power switch is equipped with 4 LED light bar from high to low, which can display the remaining power of 100%, 75%, 50% and 25% to reming you. 4Practical: The large capacity battery cell is equipped with a 0.05mA lowfunction sleep solution, which can maintain the power for a long time and can be used when traveling. 5Safe Protection: With multiple advanced safety technologies including overcurrent protection, overload protection, overvoltage protection, overcharge protection and hightemperature protection, which can ensure safety for anyone to use. 6Fast Charging: Designed with four USB outputs, the fast charging USB port can charge your device faster, and is compatible with almost all USB charging devices including mobile phones, tablets, kindles or digital cameras, and the charging is fast and efficient, helping you save time . 7Wide Appliation: Suitable for most 12V 6L gasoline vehicles and 4L derv vehicles, and the battery is equipped with real capacity of 20000mAh. Suitable for car, motorcycle, SUV, camping, etc. Specification:Item Type: Car Jump StarterMaterial: ABSStarting Power Capacity: 20000mAh (Built-in)Battery Type: Polymer Battery CellApplicable Starting Models: Gasoline Vehicles within 12V-6.0L, Diesel Vehicles within 12V-4.0LStarting Peak Current: 600A(4S)USB Output: 5V-2ACycle Life: 3000 TimesCharging Model: CC/CA 15V-1AStarting Current: 300AAdaptation Temperature: -20-609 Major Features:Car Start: 600A Strong Start9 Protections: Over Discharge Protection, Over Charge Protection, Etc. 9 ProtectionsHigh-Rate Lithium Battery: 20000mAh Large CapacityEmergency Lighting: LED/SOS LightingDigital Charging: Cyclic Charging4USB Output: Can charge 4 electronic products at the same timeLow Temperature Start: Strong Start at Low TemperatureLED Light Bar Shows Power: The remaining power is clear at a glance Package List:1 x CarJumpStarter1 x Clip1 x Household Power Charger1 x Manual1 x Storage Box