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Rexing - 2-in-1 Jump Starter & Tire Inflator, 7200mAh Portable 12V Car Battery Booster with 150 PSI Air Compressor

Model: BBY-RJ21
SKU: 6684662

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About this product

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.

Features
  • 2-in-1 Multi-Function Design

    Combines a powerful jump starter and tire inflator in one compact device, ideal for roadside emergencies, daily driving, camping, and travel.

  • 7200mAh Portable Jump Starter

    Built-in 7200mAh battery with 1200A peak current provides reliable power to jump start most 12V vehicles, including cars, motorcycles, ATVs, and other small vehicles.

  • Built-in Tire Inflator

    Integrated 150 PSI air compressor quickly inflates car tires, bike tires, motorcycle tires, sports balls, and other inflatables, making it a convenient emergency tool for every trip.

  • LED Flashlight for Emergencies

    Equipped with a bright LED flashlight to provide visibility during night repairs, roadside emergencies, camping, or low-light situations.

  • Compact & Reliable

    Designed for portability and everyday convenience. Features USB charging support to help power compatible devices when needed, with durable construction for reliable use at home, on the road, or outdoors.

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Specifications
  • Brand
    Rexing
    Model Number
    BBY-RJ21
    Product Name
    Rexing 2-in-1 Jump Starter & Tire Inflator, 7200mAh Portable 12V Car Battery Booster with 150 PSI Air Compressor
    Amperage
    25
    Voltage
    12
    Compatible Battery Type
    Lithium-ion
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Rexing - 2-in-1 Jump Starter & Tire Inflator, 7200mAh Portable 12V Car Battery Booster with 150 PSI Air Compressor
Rexing - 2-in-1 Jump Starter & Tire Inflator, 7200mAh Portable 12V Car Battery Booster with 150 PSI Air Compressor

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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Rexing - Master 1.5A Smart Battery Charger – 6V/12V Automatic Maintainer & Trickle Charger – Lead-Acid & Lithium

The Rexing Master 1.5 is a compact and dependable smart battery charger built for daily use. Whether charging a battery or maintaining it over time this charger provides consistent and efficient performance in a simple plug in design. The built in smart charging system continuously monitors battery status and adjusts output as needed. This helps maintain optimal charge levels without the risk of overcharging. Compatible with a wide range of battery types including AGM gel SLA and lithium this charger is ideal for multiple applications from automotive to recreational use. With temperature adaptive charging the Rexing Master 1.5 helps deliver reliable performance in both high and low temperature environments. Built with multiple layers of protection including overcharge protection reverse polarity protection and short circuit protection for safe and reliable operation.

Pros for Rexing - 2-in-1 Jump Starter & Tire Inflator, 7200mAh Portable 12V Car Battery Booster with 150 PSI Air Compressor
There were no pros for this productBuild Quality, Air Compressor, PortabilityEase of Use, Overall PerformanceThere were no pros for this product

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