A LIFESAVER – SAFELY START DEAD BATTERIESThis 1200A device jump starts batteries within 1 to 2 seconds. It can even provide up to 25 jumps on a single charge. For vehicles without batteries or with flat batteries, the Boost Mode allows the JS1200 to play the role of a temporary battery. What’s more, this tool supports 12V batteries up to 6.5L on Gas or 4L on diesel engines, suitable for trucks, motorcycles, boats, yachts, lawnmowers, trucks, ATVs, SUVs, snowmobiles, boats, pickups, and more. Working principle:After the clip is connected to the positive and negative poles of the battery, the jump starter will be automatically awakened;Start the vehicle, finish, disconnect the positive and negative poles. Fearture: Boost Function Revives Dead or Damaged Batteries - Innovative Stop Spark Sensors for Even More Protection - Jump Start Batteries Within 1 to 2 Seconds300 Lumens Flashlight - Heavy-Duty Premium Copper Clamps - USB Quick Charge 3.0 Port - Fully Charges Most Devices Within an Hour - Sturdy Outer Housing Resistant to Water, Dust, and Wear Specification:Model: JS1200Peak current: 1200ACapacity m - Ah: 10000mAh; 37Wh - Input interface: Type - C: 5V_3A/9V_2AOutput interface:USB1: QC18W 5V/3A; 9V/2A; 12V/1.5AUSB2: 5V/2ADC: 10A Max 16.8VHost button: 1 (click to start the device)Clip type: ordinary clip (with protective box, including BOOST button*1)Clip wire length: positive AWG8#, 250mm; negative AWG8#, 200mm - Starting ability: 6.5L Gas/4L Diesel PACKAGE LIST:1*Jump Surge 12001*User Manual1*Carrying Case1*Heavy-duty, Premium Copper Clamps1*Type-C Cable for Easy Charging