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, 39” Jumper Cables
Original price was: $1,019.99.$968.99Current price is: $968.99.
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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 39-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 19.84 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.
Frequently Asked Questions
We currently ship to customers throughout the United States.
Most orders are delivered within 3–7 business days. Delivery times may vary depending on your location and carrier conditions.
Once your order has shipped, you’ll receive a confirmation email with your tracking number.
Please contact us as soon as possible at [nextrony365@gmail.com] Changes or cancellations are only possible before your order has been processed or shipped.
Yes. Eligible items may be returned in accordance with our Return & Refund Policy. For assistance, please contact us at [nextrony365@gmail.com]
Once your return is received and approved, your refund will be issued to your original payment method.
Please email us at [nextrony365@gmail.com] with your order number and clear photos of the item. We’ll be happy to assist you.
For any questions about your order, shipping, returns, or products, please contact us at [nextrony365@gmail.com]
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