AJ-393B 7000A Car Jump Starter Power Station

Product Overview

AJ-393B is a heavy-duty multi-functional car jump starter built with ultra-large 39000mAh capacity and 499.59Wh energy, supporting 7000A peak current. It works for both 12V and 24V vehicles, equipped with multiple output ports: 5V/1A, 5V/2.4A and dedicated jump start output. Adopting wide temperature design from -40℃ to 60℃, it supports USB-C and DC 29V/5A fast input, full charged in around 4 hours. Compact size 295.5175.5245.4mm with 5.4kg weight, perfect for emergency vehicle starting and outdoor power supply.

Product Description

The AJ-393B 7000A Peak Car Jump Starter Power Station is meticulously engineered to resolve catastrophic power failures in heavy-duty transportation and industrial machinery. Encased in a rugged, impact-resistant housing, the device feels exceptionally solid to the touch, featuring a textured matte finish that ensures a secure grip even when handled with heavy, oil-stained work gloves. The satisfying, metallic click of the heavy-gauge copper clamps connecting to battery terminals provides immediate tactile assurance of a secure, high-conductivity connection. When deployed, it operates silently yet delivers an overwhelming surge of energy, instantly awakening dormant diesel engines and massive displacement gasoline vehicles without a moment of hesitation.

Beyond its primary ignition capabilities, this power station acts as a formidable energy reservoir for prolonged field operations. The dense lithium-ion core is strategically balanced within the compact chassis, making the 5.4kg unit surprisingly manageable for single-handed transport across sprawling construction sites or expansive transit depots. Every curve and port placement has been deliberately calculated to streamline the workflow of professional operators, minimizing downtime and maximizing operational efficiency. Whether facing the biting frost of a northern winter or the sweltering heat of a desert highway, this power station remains an uncompromising guardian of continuous productivity, ensuring your fleet never remains stranded.

1. 7000A Super Peak Starting Power

Boasting 7000A huge peak current, this AJ-393B jump starter easily starts various large-displacement gasoline and diesel vehicles. It supports both 12V and 24V engineering vehicles, trucks, buses and heavy machinery, solving difficult ignition problems in low power or cold weather with instant strong starting performance.

2. Ultra Large Capacity & Long Endurance

Built-in 39000mAh large capacity with 499.59Wh energy reserve, it not only serves as a vehicle emergency jump starter, but also acts as a high-capacity portable power bank. It can charge mobile phones, laptops and small electrical devices for a long time, ideal for outdoor camping, self-driving travel and emergency backup scenarios.

3. Multi Input & Multi Output Compatibility

Rich port design includes USB-C 5V/2A 9V/2A input, DC 29V/5A fast charging input; matched with 5V/1A, 5V/2.4A daily output and dedicated 12V/24V jump start port. Multiple charging methods allow fast replenishment via adapter, power bank or solar panel, meeting different charging and power supply needs at the same time.

4. Extreme Wide Temperature Adaptation

Designed with industrial-grade wide temperature technology, the operating temperature ranges from -40℃ to 60℃. It maintains stable starting and discharging performance in freezing cold northern areas and high-temperature summer environments, no capacity attenuation or startup failure under extreme climate conditions.

5. Fast Charging & Portable Integrated Design

Only about 4 hours for full charging via DC fast input, saving waiting time greatly. With compact dimension 295.5*175.5*245.4mm and net weight 5.4kg, it is easy to carry and store in car trunk. Integrated structure with safe circuit protection ensures anti-short circuit, over-current and over-temperature for stable daily use.

1. Emergency Vehicle Jump Starting

Specially designed for emergency ignition of various vehicles, suitable for 12V cars, SUVs and 24V trucks, engineering vehicles, buses and heavy-duty machinery. 7000A super peak current realizes one-click quick start even in low battery, aging battery and ultra-low temperature environment, a must-have tool for self-driving and fleet transportation.

2. Outdoor Self-Driving & Camping Power

With 499.59Wh large capacity, it can supply power for mobile phones, tablets, lighting, fans and small outdoor electrical equipment. Compact and easy to carry, it provides stable mobile power support for self-driving travel, camping, picnic and field exploration, getting rid of the trouble of no power outdoors.

3. Engineering Vehicle & Fleet Backup Power

Perfect for engineering machinery, freight fleets and logistics vehicles, adapting to complex construction site and long-distance transportation environments. Ultra wide temperature from -40℃~60℃ ensures normal startup in severe cold and high temperature, stable performance for long-term fleet standby and daily emergency use.

4. Household Emergency Backup Power

When home power outage occurs, it can supply power for router, lighting, small household appliances and communication equipment. Multi USB output ports support simultaneous charging of multiple devices, large capacity ensures long standby time, providing reliable emergency power guarantee for family daily life.

Connect the jumper clamp correctly to vehicle positive and negative poles before starting. Use USB-C or DC 29V/5A port for charging, fully charge within about 4 hours. Avoid overcharging and deep discharge. Store and use within -40℃~60℃, keep away from water and high heat. Regularly check power level and clamp condition to maintain good performance.

Q1: How does the unit differentiate between 12V and 24V vehicle systems?

The intelligent circuitry features a dedicated selection protocol. Operators must manually select the correct voltage mode (12V or 24V) via the intuitive control panel before connection. This ensures safe and precise power delivery to the specific vehicle system, actively preventing accidental overvoltage that could damage sensitive onboard electronics.

Q2: Can the 39000mAh capacity sustain continuous operation of diagnostic laptops?

Absolutely. With a rated energy of 499.59Wh, the power station can reliably charge and operate standard diagnostic laptops, tablets, and communication devices for several hours via the integrated USB ports. This makes it an indispensable, independent power source for field technicians working away from the grid.

Q3: What makes the casing suitable for rugged industrial environments?

The exterior is meticulously constructed from high-impact, flame-retardant polymers designed to absorb mechanical shocks, drops, and vibrations. Furthermore, it resists chemical exposure commonly found in garages, depots, and mining sites, ensuring the internal lithium-ion cells remain fully protected and operational under duress.

Q4: Does the rapid charging input require a specialized proprietary adapter?

The unit supports a standard DC 29V/5A input which provides the fastest 4-hour turnaround time. However, to maximize convenience in the field, it also features USB-C PD (5V/2A, 9V/2A) compatibility. This allows for flexible charging using widely available high-wattage adapters when you are in transit or away from the primary charging dock.

Q5: How does the thermal management system function in -40℃ conditions?

The device utilizes specialized wide-temperature lithium-ion cells paired with an advanced internal thermal regulation circuit. This specific design minimizes the internal resistance spikes typically caused by extreme cold, allowing the unit to discharge its full 7000A peak current without hesitation, ensuring reliable cold-cranking in severe winter climates.