Features: 1Emergency life protector, this battery jump starter has a peak current of 600A, and can be used with cars, motorcycles, boats, etc. Fully charged within 5 hours, can be maintained for 3 months. 2With a safe and easytouse design, intelligent clamp use advanced safety technology, including overcurrent protection, overload protection, overvoltage protection, and hightemperature protection, etc. 3With fast charging 3.0 USB port design, dual USB output, compatible with mobile phones, tablets, for Kindle or digital cameras. Charging is fast and efficient, which can help you save time. 4Equipped with LED flashlight, LED work light has 3 modes, including flash, strobe light and SOS light. Suitable for camping, outdoor, indoor, emergency, travel, etc. 5When you are out in the field, the car cannot be started due to low battery power, and the battery is severely depleted, and the voltage is insufficient in winter, this starting power supply can solve the problem. 628000mAh Highcapacity power supply, small in size, easy to carry, and versatile, highperformance polymer lithium battery equipped with smart power IC, can work normally at 40. 7There are four small LED indicators above the power switch, which are only 100%, 75%, 50%, and 25% current indications. You can know the remaining power of the emergency power supply at any time. Specification:Item Type:PowerSupplyMaterial: ABSSize: Approx. 173 x 80 x 42mm/6.8 x 3.1 x 1.7inCapacity: 28000mAhLife: More than 5000 timesSpecifications: 1 SetColor: YellowFully Charged Ignition Times: 20 - 30 timesCharging Time: About 8HOutput Voltage: 12V at car, 5V - 2A at USBInput Current: 1APeak Current: 600AStart Current: 200AFitment: All 12V diesel gasoline cars, all 12V motorcycle, van, ATV, pickup truck and other modelsApplication: All 5V mobile phones, notebooks, cameras and other digital appliances can be used as backup power, travel, business trips, etcBuilt-in battery: Polymer lithium battery, battery capacity 28000mAhHow to Use:1. The red clip is connected to the positive electrode of the battery, and the black one is connected to the negative electrode.2. Make sure that the emergency power switch is off, and connect the DO port of the battery clip to the emergency power supply.3. Start the car with a normal ignition, and remove the starting power supply within 30 seconds of successful startup. Package List:1 x Emergency Power Supply1 x Alligator Head Clip1 x Car Charger1 x Data Line1 x Household Charger1 x Storage Bag1 x Instruction Manual