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As a professional manufacturer of portable power stations who owns 14-year battery industry experience, CARKU is committed to bringing you a wide range of portable energy storage products, as well as one-stop OEM & ODM solutions for your portable energy supply business
▶ The color of power stations can be tailored to match your brand
▶ Power stations functions can be designed according to your customers' needs(100W-3600W / 225Wh-5816Wh Multiple types of OEM/ODM)
▶ Your brand Logo will be printed on the power stations
▶ We offer packaging design services, including the design of product specifications and user manuals
▶ We offer power station OEM/ODM solutions as well as custom LiFePO4 cells for power station, can provide LiPo and LiFePO4 battery cells.
Our diverse range of products as a portable power station manufacturer caters to diverse needs and budgets. From the compact and lightweight 300W and 600W power station, perfect for powering small electronics and camping trips, to the powerful 1500W/2200W/3600W power station, capable of running high-demand appliances and even serving as a backup power source for your home, there’s an CARKU portable solar station waiting to become your reliable companion.
Short-circuit protection Over-current protection
Over-temperature protection Reverse polarity protection
Over-discharge protection Over-charge protection
DC anti-reverse charge protection Ultimate low electricity consumption protection
▶ Low MOQ Accepted
▶ Competitive Prices
▶ Uncompromised Quality
▶ Multiple certifications (UL / CE / FCC / ROHS / PSE etc.)
▶ Strong OEM/ODM capability
▶ Strong production capacity:5 billion
▶ 748 International patents & design patent
▶ Powered by Strong R&D(Every year, we invest 20% of the profit into research and development.)
Backed up with more than 10 years of working experience and profound battery industry background, our R&D team is dedicated to improving the comprehensive performance of our products, including PCB design, BMS optimization, and structure design optimization.
▶ 110,000 square meters factory and skilled workers meet delivery time and quantity
In order to make sure the stability of the product function, our assembly process begins with IQC cell inspection and ends with OQC finished product sampling.
In middle which includes Cell capacity separation – Cell on-line test -PCBA test – Semi-finished product test –Battery pack aging – Battery pack testing – Whole machine assembly – Whole machine aging test – Finished product test – Finished product inspection.
Inquiry→Evaluation→Specification &Verification→Quotation→Sample Production→Price Verification→Production Schedule→Shipment
Start Your Power Station Project
▶ Professional Design
We will analyze your detailed requirements on design and function, and offer you optimal power station solutions with 3D design renderings.
▶ Rapid Prototyping
We create a quick sample according to the finalized design. The sample will be tested and sent to you within a given time
▶ Precise Manufacturing
Our plan and production department will make detailed schedule to ensure each process in order. Meanwhile, every product is under rigorous inspections, and guaranteed to meet safety standards(FCC/CE/ROHS....etc.)
▶ Safe Delivery
Your finished orders are properly packed into your custom packaging, and are shipped to you safely through trusted and specialized battery logistic companies
Believe carku, we will provide you with the best oem/odm service and products.
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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