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Why do we need a car jump starter?
Many driver knows that Car battery is draining out power if it is old or power supply to car air conditioner or audio for long.
What will you do in such situation?
Many people bought a jumper lead in the car trunk if necessary. However, there is a problem that we need to look for another car and use jump lead to restart your car battery, which is negative and inconvenient. Or Waiting for car tow, Or ask help for passing car.
7 years ago, CARKU invented a mini lithium car jump starter to replace jump lead to jumpstart car without any assistance. Nowadays, many people is familiar with this product, and know how easy it is to operate without any help. But more and more news to release that lithium battery is easy to explosion if in poor quality. Some consumers become worried about its safety. Therefore it is very important to choose a good lithium battery jumper pack.

Lithium battery is applied to different consumer electronics, such as mobile phone, loudspeaker,MP3, Toys, unmanned airplane, electrical car, motorcycles, and so on due to its great advantage: small size, high battery capacity, long lifetime. In jumper pack box, there are 3 or 4 lithium battery pack. If it is produced in poor quality, it will explode to got fire and threaten people’s life and property. If you choose a jump starter, the supplier or seller can provide lithium battery safety information to you, FCC, CEL, RoHS, UL, CE, Reach, KC, etc, different countries has different safety standard to it.

Besides, lithium battery car booster should be protected with advanced protection function technology, CARKU put safety to the first, and R&D team invented ‘DSLI’ technology
short-circuit protection, reverse polarity protection, over-temperature protection, over-charge protection, over-discharge protection, over-current protection, reverse charge protection, over-voltage protection to prevent lithium ion battery from any damage.
If you don’t want to buy lithium battery car jumper, you can choose supercapacitor batteryless jump starter , CARKU invented capacitor jump starter with 100000 lifetime cycles and best performance in the extreme cold like Finland, Switzerland,Canada in winter.
Here is a estimated conclusion for your reference, and it will be helpful for you to find a suitable car jumper.

When you choose a best branded seller, you will get feedback from your seller. Normally, it is a one-year guarantee for use. If you use it in proper way, the seller will solve any issue if itself has problem.
Powered by advanced lithium iron phosphate (LiFePO₄) technology, the CARKU JS-78F delivers a peak current of 2300A—engineered to handle everyday driving demands with confidence. Its sleek, compact design fits easily into your trunk while providing reliable jump-start performance for cars, SUVs, and heavy-duty equipment. With integrated emergency lighting and built-in mobile device charging ports, the JS-78F is more than just a jump starter—it’s your all-in-one road companion for safety, convenience, and peace of mind wherever you go.
(Looking for Jump Starter ODM/OEM Solutions? Contact us for your exclusive quote today!)
Defy Extreme Cold with Confidence | JS-373B Heavy Duty Jump Starter
Engineered for the most demanding starts, the JS-373B delivers an impressive 7000A peak current and supports both 12V and 24V systems — making it the ideal solution for trucks, buses, heavy machinery, and more. Built with vehicle-grade 60℃ high-rate lithium cells, it ensures powerful ignition even in freezing conditions down to -40°C. Whether you're facing harsh winters or powering up large engines, the JS-373B stands ready with unmatched strength, reliability, and rapid charging support.(*For Jump Starter ODM/OEM Solutions, secure your exclusive quotation now!)
Unleash Dual Power with Our 12V & 24V Lithium Jump Starter
Engineered for heavy-duty performance, this lithium jump starter delivers up to 7000A peak current to start diesel and gasoline engines in trucks, buses, RVs, and construction equipment. Designed for 12V and 24V systems, it offers reliable power, fast activation, and broad compatibility—ideal for commercial fleets and professional roadside service.
(*For Jump Starter ODM/OEM Solutions, secure your exclusive quotation now!)

Building A, Qixing Creative Square,
Lianrun Rd., Gaofeng Community,
Dalang Street, Longhua District,
Shenzhen,Guangdong,China

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