CB40 Heavy Duty Jump Starter, 40S Fast Recharge, 18000A 12/24 Volt Battery Jump Pack for Gas & Diesel Engines Up to 32L, LiFePO4 Commercial Battery Jumper Box for Truck, 41'' Jumper Cables

Product details

From the brand CARLBROS JUMP STARTER YOUR FINAL SOLUTION FOR JUMP START CARLBROS, inspired by the 'Car Lifesaver Brothers,' combines over 32 years of expertise in emergency power solutions with 12 years of pioneering lithium battery manufacturing. We're dedicated to delivering jump starters you can rely on for every unexpected moment. With CARLBROS Jump starter, experience innovative solutions and unmatched reliability. Drive confidently - let us power up your journey! CARLBROS, inspired by the 'Car Lifesaver Brothers,' combines over 32 years of expertise in emergency power solutions with 12 years of pioneering lithium battery manufacturing. We're dedicated to delivering jump starters you can rely on for every unexpected moment. With CARLBROS Jump starter, experience innovative solutions and unmatched reliability. Drive confidently - let us power up your journey! CB40 Lifepo4 Jump Starter CB40 12V/24V Pro Jump Starter 40 Sec Recharge To 100% Power Our revolutionary technology, super fast recharge in 40 sec automatically, after each successful jump starts, as if the jump starter power is regenerative on its own. 0.3V Confidently Detect and Start CARLBROS delivers class-leading low voltage jump starts. Our jump starters detect and revive batteries down to 0.3 volts - no override needed! 2 Years of Reliable Testing Two years of large-scale application testing with professional roadside assistance and automotive services in cold zone. About 1,000 jump starts per unit, failure rate less than 0.9%. 40 Sec Recharge To 100% Power Our revolutionary technology, super fast recharge in 40 sec automatically, after each successful jump starts, as if the jump starter power is regenerative on its own. 0.3V Confidently Detect and Start CARLBROS delivers class-leading low voltage jump starts. Our jump starters detect and revive batteries down to 0.3 volts - no override needed! 2 Years of Reliable Testing Two years of large-scale application testing with professional roadside assistance and automotive services in cold zone. About 1,000 jump starts per unit, failure rate less than 0.9%. Product description How does the 40-second regenerative charging feature work? After a successful jump start, keeping the jumper cables connected for 40 seconds (the exact time may vary depending on the vehicle) uses your jump-started vehicle to recharge the unit, quickly restoring it to 100% of its original battery level. How does the 40-second regenerative charging feature work? After a successful jump start, keeping the jumper cables connected for 40 seconds (the exact time may vary depending on the vehicle) uses your jump-started vehicle to recharge the unit, quickly restoring it to 100% of its original battery level. Can the CB40 Work in Extremely Cold Weather? Yes. The CB40 is designed to operate in temperatures from -22°F - 122°F. In cold conditions, the built-in heater warms the battery to 25°C (77°F), maintains that temperature for 10 minutes, then shuts off automatically. Can the CB40 Work in Extremely Cold Weather? Yes. The CB40 is designed to operate in temperatures from -22°F - 122°F. In cold conditions, the built-in heater warms the battery to 25°C (77°F), maintains that temperature for 10 minutes, then shuts off automatically. Could the CB40 Jump-Start a Completely Dead Battery? Yes. The CB40 can automatically detect a vehicle battery with voltage as low as 0.3V and provide the power needed for a jump start. The CB40 is compatible with both 12V and 24V systems, making it versatile for various vehicles Could the CB40 Jump-Start a Completely Dead Battery? Yes. The CB40 can automatically detect a vehicle battery with voltage as low as 0.3V and provide the power needed for a jump start. The CB40 is compatible with both 12V and 24V systems, making it versatile for various vehicles 40 SEC SUPER FAST RECHARGE — You can start a whole fleet with our new tech. CARLBROS CB40 heavy duty jump starters powerfully boost 12V/24V vehicles. By keeping the jumper cables connected for 40 sec after a successful jump, the booster pack quickly regains 100% original battery status. 25-mintues recharge from 0 to 100%. Designed for high-volume use, no need to frequently recharge with DC charger and is suitable for professionals who frequently jump-start dead batteries daily. SAVE COMPLETELY DEAD BATTERIES — Class-leading voltage detection automatically jump starts as low as 0.3-volt (others at 2V). The self-heating function ensures CB40 jump starter power pack starts dead batteries in extremely cold -22℉ conditions effortlessly. With over 18,000 Amps of starting power, it starts almost all 12V & 24V gas and diesel vehicles, including semi-trucks (up to Class 8), motorhomes, buses, tractors, and boats. 2026 upgraded jumper cables 41-inches for easier connection. COMMERCIAL GRADE — Built for professionals, the CARLBROS CB40 booster pack is your dependable solution for heavy-duty jump starts. Its LiFePO4 battery delivers over 4 times the lifespan of traditional lead-acid jump starters, ensuring reliable performance. Whether you’re working with agricultural, industrial, or vocational equipment across 6, 8, 12, or even 16-cylinder engines, the CB40 provides stable power, making it a trusted partner in demanding environments. FRIENDLY & SAFE — Connect. Start. Done. The CB40 jump start battery pack with a smart 2-inch LCD display keeps you informed in real-time. The battery booster jump starter is equipped with multiple intelligent safety features, like spark-proof and reverse polarity protection. Plus, the Carlbros car battery jump starter automatically shuts off when you squeeze and remove the clamps, preventing accidental short circuits and offering more safety. LIGHTWEIGHT & COMPACT — Weighing only 21.8 lbs, the CB40 delivers reliable power. Its integrated handle ensures easy lifting, while the compact, semi-book-sized design fits perfectly in tool carts, service vans, roadside boxes, or under-seat compartments. Delivers dependable power wherever the job takes you, helping stranded vehicles get back on the road quickly. READY FOR ANY EMERGENCY — This 12/24V battery jump pack combines a booster pack, portable power bank, and emergency flashlight features. Dual USB ports fast recharge your smartphone and other USB-C devices. A super bright 500-lumen LED light with 5 modes, including SOS, provides lighting for work maintenance or emergency situations.