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As Carku Starting batteries gain popularity, many users have raised some questions and concerns during their use. To help you better understand our products, we've selected the most frequently asked questions and provided detailed answers. This will help ensure that you feel confident and smooth when using Carku Starting batteries.
Absolutely! Carku has nearly 14 years of experience inStarting battery manufacturing, with a modern factory covering 110,000 square meters and dozens of production lines. Our products are not only popular domestically but are also sold worldwide. Carku is a renowned brand in the global battery industry. When you choose Carku, you are choosing a trusted and reputable brand.
No worries! Carku starting batteries use brand-new Grade A lithium iron phosphate cells, which undergo multiple safety tests, including puncture, low temperature, vibration, waterproofing, flame retardant, aging, and more. They are also tested by third-party authoritative organizations to meet international safety standards. You can trust that our batteries are completely safe.
Definitely! Compared to traditional lead-acid batteries, which typically need to be replaced every year, especially when using air conditioning, a Carku Starting battery lasts much longer. You only need to replace it every 8-10 years, significantly extending the battery replacement cycle and saving you money in the long run.
Carku'sHeavy Truck Starting & Energy Storage Battery come in three different capacities:
Maximum capacity: 230Ah—fully charged, it can last around 12 hours.
Medium capacity: 206Ah—fully charged, it can last around 10 hours.
Small capacity: 150Ah—fully charged, it can last around 8 hours. The exact duration may vary slightly depending on the air conditioning and weather conditions, but all are designed to provide reliable performance.
Charging a Carku starting battery is just as simple as a traditional lead-acid battery. Once the vehicle starts, it will automatically begin charging the battery, so no extra action is needed on your part.
The 230Ah battery takes approximately 3-4 hours to fully charge.
The 206Ah battery takes around 3 hours.
The 150Ah battery takes around 2 hours. For optimal charging, avoid using the battery while it's charging, as it can slow down the charging process.
Yes! If you prefer to use an external charger, you can use a 24V 50-60A charger. However, please note that charging with an external charger will be slower than using the vehicle's built-in charging system.
No problem! The starting battery won’t turn off immediately. It will only shut down after the vehicle has come to a complete stop and after 3 minutes of no electronic devices running. So, there's no need to worry about safety issues.
First, check if the battery terminal screws are loose or if there are any connection issues. Then, open the Carku Starting battery app to check if the battery is turned off. If it is, simply press and hold the power button to restore power.
First, check the battery to see if it's still charged. If the battery has power but the car still won’t start, it might be due to over current protection being triggered. Wait for a minute and try again. If the battery is completely drained, press and hold the power button to initiate charging and try starting the vehicle again.
Since its launch, Carku’s Heavy Truck Starting & Energy Storage Battery have received high praise from users. Our batteries are not only large in capacity but also safer, smarter, and more reliable. Whether it’s powering the parking air conditioning in summer or ensuring stable starts in winter, Carku starting batteries provide dependable performance that you can count on.
Choosing Carku starting batteries is not just about getting a battery; it's about a longer-lasting, hassle-free, and intelligent driving experience. We highly recommend Carku to every truck driver who is on the road, ensuring you peace of mind and reliable performance for years to come.
If you have any issues with usage, please feel free to leave us a message. We will do our best to assist you.
Email: marketing@carku.com
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!)

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Lianrun Rd., Gaofeng Community,
Dalang Street, Longhua District,
Shenzhen,Guangdong,China

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