Autowit Car SuperCap 2 12-Volt Battery-less Portable Jump Starter (Up to 7.0L Gas, 4.0L Diesel) Built-in SuperCap, No Battery Engine Starter Car Accessories, Battery Charger

Super-safety?
No internal batteries, built-in super capacitor activates in a physical way, keeping users from risks of spark or explosion.

Never Requires Regular Charging?
SuperCap 2 is a super-capacitor jump starter that only requires a quick charge from your weak battery to get your car started. This is extremely convenient as you don’t need to remember to pre-charge your jump starter.

Protection?
Safe and easy to use SuperCap 2 jump starter without the worry for incorrect connections or sparks. Safely connect to any 12-volt automotive car battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection, over-current protection, overload protection, over-voltage protection.

Extremely Weather Operating & Longer Lifespan?
SuperCap 2 can work in extremely cold weather (-40?/40?) during snowstorms or blizzards and resist high temperature (70?/158?). Thanks to its built-in super-capacitors, SuperCap 2 can withstand more than 100,000 times frequently repeated use in its lifetime, longer life up to 20 years.

In The Box?
SuperCap 2 Jump Starter*1, Carrying Case*1, Cigarette Lighter*1, Alligator Clamps*1, USB Charging Cable*1, User Manual*1.