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The Rexing RJ4000 4000A Jump Starter is a high-performance portable battery pack designed for reliable vehicle starting in any situation. With a 24000mAh capacity and 4000A peak current, it jump starts gasoline and diesel engines up to 10 liters, covering cars, SUVs, trucks, boats, and more. The HD LCD display keeps you informed about battery level and operational status, while 65W USB-C fast charging and a QC3.0 USB-A port make it a versatile power bank for phones, tablets, laptops, and other electronics. Its one-touch boost feature helps start vehicles in low-voltage emergencies, and the multi-function LED flashlight with SOS, strobe, and steady modes adds safety in the dark. Built to endure tough conditions, the RJ4000 operates from -4°F to 140°F, is IP64 water-resistant, and meets FCC, CE, ROHS, and UN38.3 safety certifications. Backed by a 12-month warranty and responsive customer support, the RJ4000 is your trusted travel and emergency companion.
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The Rexing RJ4000 4000A Jump Starter is a high-performance portable battery pack designed for reliable vehicle starting in any situation. With a 24000mAh capacity and 4000A peak current, it jump starts gasoline and diesel engines up to 10 liters, covering cars, SUVs, trucks, boats, and more. The HD LCD display keeps you informed about battery level and operational status, while 65W USB-C fast charging and a QC3.0 USB-A port make it a versatile power bank for phones, tablets, laptops, and other electronics. Its one-touch boost feature helps start vehicles in low-voltage emergencies, and the multi-function LED flashlight with SOS, strobe, and steady modes adds safety in the dark. Built to endure tough conditions, the RJ4000 operates from -4°F to 140°F, is IP64 water-resistant, and meets FCC, CE, ROHS, and UN38.3 safety certifications. Backed by a 12-month warranty and responsive customer support, the RJ4000 is your trusted travel and emergency companion.

This WOLFBOX car jump starter provides up to 4000A peak current and high capacity. It can safely start gas and diesel engines. Works on all (12 volt) cars, trucks, boats and large vehicles, meanwhile it is very portable. The battery jump starter works with a smart jumper clip to provide 10 safety protections to ensure safe use. The car jump starter power supply contains an LED screen that clearly displays all status indicators of the portable car jump starter power supply. You can easily identify the current status of your emergency power source and provide seamless access to all functions. This car jumper is also equipped with 1*65W Type-C input/output port and 1*QC 3.0 USB-A port, and also contains a PD 65W fast charger, which can save 50 when charging your mobile phone, tablet, Kindle or digital camera 50% time.

Never again get stranded with a dead battery. Powerful and portable, the Scosche PowerUp 2000 will quickly, simply, and safely jump start your engine, as well as charge your phone and light your way. The 2000 peak amps will start gas engines up to 8 liters or V8 and diesel engines up to 7 liters. It features a Power Boost feature to jump start vehicles even when the battery is completely drained. Plus, it is a portable power bank offering a 36W USB-C Power Delivery port to charge phones, tablets, cameras, laptops, and more. The PowerUp 2000 has an advanced 6-point safety system to protect from overheating, overcurrent, overcharge, over discharge, short circuits, and reverse connection. Use on cars, trucks, RVs, buses, and boat engines. The compact design is small enough to fit under a seat, in the trunk, and even in select glove compartments. Includes: PowerUp 2000 Jump Starter with battery cables and clamps, female 12V CLA, USB-A to USB-C charging cable, and carrying bag.

The NOCO Boost GB40 is a compact yet powerful 1000-amp lithium jump starter designed to safely jump start a dead car battery in seconds—perfect for cars, trucks, motorcycles, ATVs, boats, SUVs, vans, and more. This portable car battery jump starter delivers up to 20 jump starts on a single charge and is rated for gasoline engines up to 6.0 liters and diesel engines up to 3.0 liters. Engineered with UltraSafe Technology, it features spark-proof connections and reverse polarity protection, making it a safe and mistake-proof car battery booster for any 12-volt vehicle. It doubles as a portable USB-C power bank for charging smartphones, tablets, and other devices when it matters most, and includes an integrated 100-lumen LED flashlight with seven light modes, including SOS and emergency strobe—ideal for night use, roadside visibility, or emergencies. With an ultra-compact, rugged design, IP65-rated enclosure, and rubberized over-molded casing, this battery jump starter pack is built tough to withstand water, dust, drops, and rough handling. The GB40 includes heavy-duty jumper cables, a USB-C charging cable, and a microfiber storage bag, all backed by a 1-year warranty and proudly designed in the USA. Whether you’re looking for a car jump starter, battery jump box, jumper pack, power pack jump starter, or a reliable jump starter battery pack to keep in your glovebox, the GB40 delivers unmatched performance, trusted durability, and peace of mind—on the road, off the grid, or wherever your next adventure takes you.
| Pros for Rexing - 4000A Jump Starter, 12V Car Battery Booster with 65W Quick Charger | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Performance, Portability, Battery Life, Size, USB Power Bank | There were no pros for this product— |