UTRAI Jstar X1 2000A Portable 12V Super Capacitor Jump Starter 500F Battery-Free Super Safe Car Battery Booster (Up to 8.0L Gas, 7.5L Diesel Engine) with Large LCD Screen, 3 Mins Quick Charge Automotive

* 【 Unique Super Capacitor Technology 】 Jstar X1 jump starter doesn’t use lithium battery but super capacitor, so it’s a super safe jump pack, no worries about heat and explosion. Easy to start all the 12 volt vehicles with just 3-min charge from a weak car battery, can quickly jump SUV, RV, Pick-up, motorcycle, snowmobile, and even lawn mower.
* 【 Always Ready To Start 】 Jstar X1 portable car jumper starter doesn’t need to pre-charge for hours, 3 mins fast charging, plug and play, really saves your time. In addition, this car battery jump starter can be used more than 100,000 times. It’s more convenient and has a longer lifespan than other ordinary jump starters.
* 【 Working In Freezing Winter 】 Jstar X1 jumper box for car battery can save you from stalling in freezing weather, even in -40℉. This battery jumper’s operation temp is -40℉-158℉, so whether it’s a snowstorm or a scorching summer day, you always easily start your dead car with this booster pack jump starter.
* 【 Extremely Safe Car Starter 】 Jstar X1 jump box is a supercapacitor jump starter, not a built-in battery, and is physically activated to keep users away from the risk of sparks or explosions. What’s more, car jumper comes with the most advanced smart clamp with 8 kinds of multi-protection technologies, easy to use and absolutely safe.