4000A Jump Starter

Huizhou Jack Power Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of 4000a jump starter in China. Welcome to wholesale bulk 4000a jump starter from our factory. We also accept customized orders.

With over 10 years of experience in the R&D and manufacturing of automotive emergency jump starters, Jack Power focuses on providing high-performance, long-life, and highly safe portable jump starter solutions for the global automotive aftermarket, repair shops, outdoor product brands, and distributors.

Our 4000A Jump Starter is a high-current intelligent starting device designed specifically for gasoline and diesel vehicles. It is suitable for a variety of vehicles, including large-displacement trucks, SUVs, pickup trucks, motorcycles, boats, and RVs, ensuring excellent starting capabilities even in extreme environments.

Product features:

1. Powerful Jump-Starting Capability

The 4000A jump starter is engineered to deliver extremely high cranking power, providing a peak current of 4000 amps, which allows it to instantly activate a wide range of vehicles-even those with severely depleted batteries.

Wide Vehicle Compatibility

Suitable for cars, SUVs, pickup trucks, RVs, motorcycles, boats, yachts, ATVs, UTVs, lawn mowers, and light commercial vehicles.

Even in harsh conditions-such as cold winters or long-term parking-the device provides strong ignition power.

Reliable Cold Cranking Performance

Built to perform in low-temperature environments, ensuring vehicles can be jump-started even in freezing climates where traditional batteries struggle.

2. Multi-Functional Design

The device is not only a powerful jump starter but also a versatile emergency power source designed for outdoor use, travel, and roadside assistance.

Built-In LED Emergency Lighting

Equipped with a high-brightness LED light offering three lighting modes:

Steady Illumination for nighttime vehicle repairs or camping

Flashing Mode for roadside warnings

SOS Mode for emergency distress signaling in critical situations

USB Fast Charging Output

Features built-in fast-charging USB ports capable of powering various digital devices, including smartphones, tablets, GPS devices, cameras, and portable tools.

The stable power output ensures your devices charge quickly and safely during road trips or emergencies.

3. Eight Layers of Smart Safety Protection

The 4000A jump starter includes an advanced protection system that ensures worry-free operation even for inexperienced users.

Eight Intelligent Safety Protections Include:

Reverse Polarity Protection (prevents damage if clamps are connected incorrectly)

Over-Voltage Protection

Over-Charge Protection

Over-Discharge Protection

Over-Current Protection

Short Circuit Protection

High-Temperature Protection

Low-Temperature Protection

Smart Clamp Technology

The included smart jumper clamps automatically detect battery status, guiding the user with indicator lights and warning alerts to ensure safe operation.

4. High-Performance Lithium Battery

The internal battery pack is built with high-rate lithium-polymer cells designed for high efficiency, long life, and dependable power output.

High-Rate Li-Polymer Battery Cells

These cells support high-current discharges, ensuring stable power delivery during the jump-start process.

Long Standby Time

Features a low self-discharge rate, allowing the unit to remain functional for months after a full charge-making it ideal to store in your vehicle for emergency use.

Durable & Reliable Chemistry

Designed to withstand frequent use, vibration, and extreme temperatures typically encountered inside a vehicle.

The battery maintains consistent performance over hundreds of cycles while minimizing aging.

Ideal for Long-Term Vehicle Storage

Perfect for cars that are not frequently driven, including backup vehicles, seasonal vehicles, or garage-stored cars.

42000mAh jump starter *1, Clamp *1, 12V adapter *1, 24V adapter *1, User Manual *1, Charging Cable *1.

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