Rexing - 3-in-1 Jump Starter, Tire Inflator & Air Blower, 1500A Peak 12V Car Battery Booster for 6L Gas/3L Diesel Engines
About this product
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.
Features
3-in-1 Multi-Function Design
Combines a jump starter, tire inflator, and air blower in one compact unit, perfect for roadside emergencies, camping, or home use.
1500A Peak Power
12000mAh battery jump starts most 12V vehicles, including gasoline engines up to 6 liters and diesel engines up to 3 liters, plus motorcycles, ATVs, and small boats.
Built-in Tire Inflator
Integrated 150 PSI air compressor quickly inflates car, bike, and motorcycle tires.
LED Flashlight for Emergencies
Ultra-bright 150-lumen LED flashlight with multiple modes ensures visibility for night repairs or roadside safety.
Compact & Reliable
Features USB-C input (5V/2A) and USB output (5V/2A) for charging devices. Built for portability with durable construction for daily or emergency use.
Specifications
- BrandRexingModel NumberRJ31Product Name3-in-1 Jump Starter, Tire Inflator & Air Blower, 1500A Peak 12V Car Battery Booster for 6L Gas/3L Diesel EnginesAmperage1500Voltage12Charger TypeDC
Reviews
Rating 5 out of 5 stars with 1 review
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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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.

The Rexing RJ21 2-in-1 Jump Starter is your all-in-one roadside companion, combining a jump starter & tire inflator 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.

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This portable 6000A jump starter delivers powerful emergency starting performance for a wide range of 12V vehicles including cars trucks SUVs motorcycles and boats It is engineered to start completely drained batteries in seconds while ensuring stable and reliable output for everyday and emergency use Built with advanced safety protection technology it helps prevent common user errors and provides peace of mind during operation Beyond jump starting it also works as a portable power bank with fast USB charging capability for mobile devices and essential electronics The integrated LED lighting system offers multiple modes for visibility and emergency signaling making it a dependable companion for roadside emergencies travel and outdoor use
| 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— | Portability, Inflation Performance, Build Quality, Air Compressor Performance | There were no pros for this product— | There were no pros for this product— |






























