12V-Lithium-Car-Jump-Starter-Battery-Manufacturer

Jump Starter | Carku LiFePO4 & Na+ Battery Supplier

Introducing our next-generation sodium-ion battery technology, designed to deliver reliable starting power even in extreme cold conditions. With over 15 years of expertise, CARKU specializes in automotive battery solutions across sodium-ion and lithium platforms, including LiFePO₄ systems. We provide cell supply, structural engineering, and full pack assembly, along with flexible OEM/ODM support tailored to your market needs.

products

12V Jump Starter

JS629 1200A Super-capacitor Jump Starter
Powered by advanced capacitor technology, the JS629 is a super-capacitor jump starter engineered for instant response and extreme durability. Unlike a traditional lithium-ion jump starter, this batteryless jump starter contains no internal lithium battery—eliminating the need for pre-charging or long-term battery maintenance.
As a true ultra-capacitor jump starter, it draws residual power directly from your vehicle’s weak battery and amplifies it to deliver a powerful 1200A peak current—getting you back on the road within minutes.
(Looking for Jump Starter ODM/OEM Solutions? Contact us for your exclusive quote today!)
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JS621N Sodium-ion Jump Starter
Meet the JS621N — Unlike traditional lead-acid jump starters, its sodium-ion battery is engineered for strong starting performance even in extreme cold, maintaining stable output and reliability where conventional batteries struggle.
Built for real-world versatility, this 12V jump starter supports cars, SUVs, motorcycles, and boats with dependable starting power in all seasons. Beyond emergency jump starting, the JS621N also functions as a portable power bank, delivering 30W fast charging for your electronics, making it an ideal companion for everyday drivers and outdoor enthusiasts.
(Looking for Jump Starter ODM/OEM Solutions? Contact us for your exclusive quote today!)
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JS625 1500A Sodium-ion Jump Starter
The JS625 car jump starter packs cutting-edge sodium-ion battery technology and an intelligent BMS for maximum safety. It delivers powerful cranking performance and works reliably in extreme temperatures from -40°C to 80°C. Beyond jump-starting, it doubles as a power bank to charge your devices on the go. Built for the outdoors, it also features SOS, strobe, and flashlight modes—your all-in-one companion for night adventures. (Looking for Jump Starter ODM/OEM Solutions? Contact us for your exclusive quote today!)
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Powerful Multi-function Jump Starter JS-538
Looking for the best portable car jump starter with power bank? The car jump starter JS-538 delivers 1500A peak current to jump-start 12V cars, plus a 10000mAh power bank and LED emergency lighting—perfect for roadside emergencies and everyday backup.
（*For Jump Starter ODM/OEM Solutions, secure your exclusive quotation now!）
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IP65 Waterproof 3-in-1 Car Jump Starter JS-535
Powerful Jump Starter:12V jump starter is equipped with a peak current of 1500A.
Portable Power Bank:10000mAh (37Wh) battery capacity, you can conveniently charge your mobile phones, tablets, and other digital products on the go
Reliable LED Lighting:It offers three modes: Lighting, Strobe, and SOS, providing you with versatility and ensuring you have the right lighting option for any situation.
Whether you're stranded in a parking lot or camping under the stars, this compact 12V jump starter JS-535 is your all-in-one solution for emergencies and everyday adventures.
（*For Jump Starter ODM/OEM Solutions, secure your exclusive quotation now!）
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Portable 3-in-1 Car Jump Starter JS-530
Be road-ready in seconds with the CARKU JS-530—a compact, high-performance jump starter engineered for reliability and versatility. Whether you’re facing a dead battery, low phone charge, or a roadside emergency at night, this all-in-one device has you covered.
Jump-Start in Seconds:Equipped with a peak current of 1500A, the JS-530 safely jump-starts most 12V vehicles
10000mAh Power Bank:With a 37Wh lithium-ion battery, this jump starter doubles as a portable power bank.
（*For Jump Starter ODM/OEM Solutions, secure your exclusive quotation now!）
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Innovative 4-in-1 Car Jump Starter JS-351
The Carku JS-351 is an innovative 12V portable jump starter built for performance, convenience, and modern charging demands. Engineered for emergency use and daily tech support, this compact powerhouse features 100W USB-C PD two-way fast charging,fully charging the 12V jump starter in about 1 hour, supporting laptops, tablets, phones, and other digital gear. Built in lithium technology for 3.3-inch smart display.
*For Jump Starter ODM/OEM Solutions, secure your exclusive quotation now!）
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