128000 mAh backup power supply, lightweight size, easy to carry, and versatile in use. The polymer lithium battery with a smart power supply IC, which can still work normally in severe cold 40. 2With 4 USB outputs, the 3.0 USB port charges your devices faster and is compatible with almost all USB charging devices, including cell phones, tablets, Kindles or digital cameras. Charging is fast and efficient. 3Multiple fuctions: overcurrent protection, overload protection, overvoltage protection, overcharge protection and hightemperature protection, ensuring safety. 4Four small LED indicators near the power switch, which are only 100%, 75%, 50%, and 25% power indicators, let you know the remaining power of the emergency power supply any time. 5The LED work light has 3 modes: Flash Light, Strobe Light and SOS Light, which make it a great tool for camping, outdoors, indoors, emergencies, travel, etc. 6A backup startup power supply in your car, no worry about flameout. It is safe, stable, affordable, simple and convenient. It can also be a spare emergency power supply for your digital equipment. 7The jump starter with 600A peak current cranking amps. Fully charged about 3 hours and can hold a charge for more than 3 months. 8Suitable for most 12V midsize vehicles, such as cars, motorcycles, watercrafts, ATVs, UTVs, SUVs, lawn mowers, yachts, boat, pickup,snowmobiles, etc. Item Type: CarJumpStarterMaterial: ABSSize: Approx. 173 x 80 x 42mm/6.81 x 3.15 x 1.65in (Length x Width x Thickness)Capacity: 28000mAhLife: 5000 Times or MoreQuantity: 1 SetColor: RedFully Charged Ignition Times: 20-30 TimesCharging Time: About 8HOutput Voltage: 12V at the Car, 5V-2A at the USBInput Voltage: 15VInput Current: 1APeak Current: 600AStarting Current: 200AOperating Temperature Range: -40-+80Fitment: For Gasoline Vehicles within 12V/6.0L Displacement, Diesel Vehicles within 12V/4.0L Displacement, Other 12V Motorcycles, Vans, ATVs, Pickups, Etc.Scope of Application: All Digital Appliances Such as 5V Mobile Phones, Laptops, Cameras, Etc. Can Be Used as Backup Power Sources, Travel, Business Trips, Etc.Built-in Battery: Polymer Lithium Battery, Battery Capacity 28000mAh, with BatteryInstructions for Use:Step 1: Connect the red alligator clip of the battery to the positive electrode of the car battery and the black one to the negative electrode of the car batteryStep 2: Make sure that the emergency power switch is turned off, and connect the DO port of the battery clip to the emergency power supplyStep 3: start the car with normal ignition, and remove the starting power supply within 30 seconds after the start is successful 1 xCarJumpStarter1 xAlligatorHead Clip1 x Car Charger1 x 1V3 Data Wire1 x Home Charger1 x Storage Bag1 x Manual