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Why Battery solution provider Stands Out?
China Source Factory power solutions are built for professionals who demand reliability, durability, and peak performance in extreme conditions. Whether you're facing freezing temperatures, heavy-duty equipment, or emergency situations, Battery industry leader delivers instant power when it matters most.
(1) Super-safe Battery Technology
60C high-rate discharge for maximum power output
2000+ charge cycles for long-term reliability
Advanced BMS protection against overcharging, short circuits, and overheating
(2) Extreme Cold-Weather Performance
Starts engines at -40°C (-40°F) – perfect for winter emergencies
ARCTIC-START™ technology ensures reliable ignition in freezing conditions
(3) Heavy-Duty Power
3000A peak current – capable of jump-starting trucks, SUV, and diesel engines
12V/24V dual voltage – compatible with cars, commercial vehicles, and marine equipment
(4) Ultra-Fast Recharging
Fully recharges in just 1.1 hours – minimal downtime
Supports solar input for off-grid power solutions
(5) Compact & Portable
Lightweight yet powerful – easy to store in any vehicle
Built-in LED flashlight for emergency lighting
(1) Truck Drivers & Fleet Managers – Never get stranded with a dead battery again
Off-Road & Adventure Enthusiasts – Essential for remote expeditions
Emergency Res-ponders – Reliable power in critical situations
Winter Drivers – Trusted performance in freezing temperatures
3000A peak current for heavy-duty vehicles
-40°C cold-cranking power
Ultra-compact design for easy storage
Solar-compatible for off-grid energy
Pure sine wave output for sensitive electronics
Multiple charging ports for all your devices
(1)717 Global Patents
(2)Long-Lasting Durability – 2000+ charge cycles for years of dependable use
(3) Safety First – 10-layer protection system for worry-free operation
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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