Autowit SuperCap 2 Battery-Less Portable Car Jump Starter with Carrying Case, Bulit-in Supercapacitor, No Regular Charging, Long Lifespan, Work in Extreme Environment

【Supercapacitor Technology】SuperCap 2 is a supercapacitor starter that starts the car with just a quick charge from a weak battery(even your dead battery). No pre-charging is required and can be used more than 100,000 times. It is easier to use and has a longer lifespan than traditional battery car jump starters. 【Ultra-Safe Protection】SuperCap 2 has a built-in supercapacitor, no built-in battery, and is physically activated to keep users away from the risk of sparks or explosions. You can safely connect it to any 12-volt car battery under the protection of our mistake-proof design. No worries about reverse polarity charging, overcurrent, overload, overvoltage, etc. 【Emergency Life Saver】SuperCap 2 can work in extreme environments (-40°C/40°F or 70°C/158°F). It has four charging methods and only takes a few minutes to charge. Whether it's a blizzard or extremely hot weather, you can handle it with ease. 【Powerful Car Jump Starter】With an 800A peak current, SuperCap 2 can start the vast majority of gasoline engines and diesel engines up to 4.0L in just a few minutes. This includes cars, tractors, motorcycles, RVs, Pickup, weeders, snowmobiles, and many more. 【100% Satisfaction Guarantee】We will try our best to satisfy every buyer. If you have any problems during your use, please contact us directly via your order. We have a free return/replacement policy to protect your customer rights.