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The Rexing RJ31 3-in-1 Jump Starter is your all-in-one roadside companion, combining a jump starter, tire inflator, and air blower in one portable device. With 1500A peak current and a 12000mAh capacity, it can jump start gasoline engines up to 6 liters and diesel engines up to 3 liters, making it ideal for cars, motorcycles, SUVs, ATVs, and small boats. The integrated 150 PSI tire inflator quickly restores tire pressure for cars, bikes, and motorcycles, while the air blower function is perfect for cleaning or inflating sports equipment. A 150-lumen LED flashlight ensures you have light during night repairs or roadside emergencies, and USB-C input (5V/2A) plus USB output (5V/2A) keep your devices powered on the go. Compact, durable, and versatile, the RJ31 is built for both everyday convenience and unexpected emergencies—whether on the road, at home, or outdoors.
Q: does this have replaceable batteries when original go bad
A: No, it does not.
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The Rexing RJ31 3-in-1 Jump Starter is your all-in-one roadside companion, combining a jump starter, tire inflator, and air blower in one portable device. With 1500A peak current and a 12000mAh capacity, it can jump start gasoline engines up to 6 liters and diesel engines up to 3 liters, making it ideal for cars, motorcycles, SUVs, ATVs, and small boats. The integrated 150 PSI tire inflator quickly restores tire pressure for cars, bikes, and motorcycles, while the air blower function is perfect for cleaning or inflating sports equipment. A 150-lumen LED flashlight ensures you have light during night repairs or roadside emergencies, and USB-C input (5V/2A) plus USB output (5V/2A) keep your devices powered on the go. Compact, durable, and versatile, the RJ31 is built for both everyday convenience and unexpected emergencies—whether on the road, at home, or outdoors.

This WOLFBOX JS24 car jump starter provides up to 4000A peak current and 24000mAh 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 JS24 battery jump starter works with a smart jumper clip to provide 10 safety protections to ensure safe use. The JS24 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 JS24 car jumper is also equipped with 1*65W Type-C input/output port and 1*QC 3.0 USB-A port, which can save 50 when charging your mobile phone, tablet, Kindle or digital camera 50% time. Tips:A 65W charging plug needs to be purchased separately.

GOOLOO A3 portable car jump starter with air compressor provides up to 3000A peak current and high capacity, its upgraded jumper cable can safely start all 12V vehicles which up to 9.0L gas and 6.5L, includes cars, trucks, motorcycles, boats, RVs, tractors, ATVs, UTVs, lawnmowers, snowmobiles, etc. Built-in high-quality motor, inflating function is more powerful than others, the Gooloo A3 jump starter battery pack can inflate tires' pressure from 3PSI to 150PSI in minutes and won't shot-down due to over heated.Meanwhile, it is ultra-lightweight and portable. Easy to use and friendly design, just follow the user manual and help you to use it in minutes, also equipped with 400 Lumen led light, lighter weight and compact design, more portable and worked as power bank!

The Pursuit All-in-One Jump Starter and Air Compressor is your ultimate roadside companion, consolidating essential emergency functions into a single, compact unit. At its core, it boasts a powerful 2000-amp peak current that can instantly revive dead batteries in cars, trucks, boats, and more, offering up to 20 jump starts on a single charge. Beyond this, it features a integrated 150 PSI air compressor that automatically inflates tires to your preset pressure, eliminating the need for separate tools. Enhanced with a large, intuitive digital screen, 10 advanced safety protections, and certifications from UL and FCC, it ensures both user-friendly operation and complete peace of mind. Completing its versatile design are a multi-mode LED light and a power bank to keep your devices charged, making the Pursuit an indispensable and portable power solution for any journey.
| Pros for Rexing - 3-in-1 Jump Starter, Tire Inflator & Air Blower, 1500A Peak 12V Car Battery Booster for 6L Gas/3L Diesel Engines | |||
|---|---|---|---|
| There were no pros for this product— | Overall Performance, Ease of Use, Power | There were no pros for this product— | Overall Performance |