BJT-520B 12/24 Volt Mobile Jump Starter T-Rex – Heavy-Duty Dual Voltage Jump Starter with Mobile Trailer
The BJT-520B Mobile Jump Starter T-Rex is a high-performance, dual-voltage jump starter engineered for the toughest environments. Designed in Australia to handle the extreme demands of the automotive, mining, aviation, and defence industries, this unit delivers unmatched cranking and peak power with the added convenience of a mobile trailer for easy transport across worksites.
Whether you’re jump starting dead-flat batteries in trucks, buses, or heavy equipment—or using it as an on-site power source—the BJT-520B is the serious solution built for serious jobs.
Key Features
Dual Voltage Operation – Supports both 12V and 24V systems for maximum versatility
Massive Peak Amps – Delivers 24,000A at 12V and 12,000A at 24V for powerful starts in harsh conditions
Cranking Performance – Cranking Amps (CA): 5,400 (12V), 2,700 (24V); Cold Cranking Amps (CCA): 4,800 (12V), 2,400 (24V)
Onsite Power Supply – Delivers 780Ah at 12V and 390Ah at 24V for portable energy needs
Reverse Polarity Protection – Prevents damage from incorrect connection
Anti-Spike Technology – Protects vehicle electronics during start-up
Battery Isolation Switch – Allows selection between 12V, OFF, and 24V for safe switching
Large Pneumatic Wheels – Built for rugged terrain and ease of movement
SmartCharger Included – Comes with BCS-A2425C SmartCharger for safe and efficient charging
WHS Compliant – Designed to meet Workplace Health and Safety standards
Supplied with Trailer – Ensures effortless mobility across sites
Benefits
Built for Demanding Worksites
From underground mining to remote airstrips and defence compounds, the BJT-520B is engineered for high-load environments where ordinary boosters can’t perform.
One Unit for All Applications
Supports a wide range of 12V and 24V vehicles including trucks, buses, earthmovers, aircraft ground vehicles, and marine equipment—all from a single platform.
Jump Starts Dead-Flat Batteries
Even with zero residual charge in the battery, this unit delivers enough power to start large engines safely and quickly.
Acts as a Mobile Power Supply
With 780Ah at 12V and 390Ah at 24V, it’s more than a jump starter—it’s a portable power bank for on-site tools, lighting, and emergency use.
Trailer-Mounted for Easy Deployment
Move between jobs effortlessly. The included trailer allows one person to transport the unit safely across various terrain.
Designed in Australia for Australian Conditions
With input from local industries, this unit is engineered to handle extreme heat, dust, rough terrain, and long duty cycles.
How to Use the BJT-520B Mobile Jump Starter
- Position the Unit – Wheel the trailer-mounted unit close to the vehicle or machinery requiring a jump start.
- Select Voltage – Use the isolation switch to choose between 12V, OFF, or 24V based on system requirements.
- Connect Clamps – Attach the positive and negative leads to the corresponding battery terminals.
- Confirm Polarity – Built-in reverse polarity protection will alert you if connections are incorrect.
- Initiate Start – Turn on the jump starter and start the engine. Disconnect once the engine is running.
- Recharge Unit – Use the included SmartCharger BCS-A2425C to recharge the internal batteries after use.
Always follow operational guidelines and WHS practices during setup and use.
FAQs about BJT-520B 12/24 Volt Mobile Jump Starter T-Rex
- What type of vehicles can this jump start?
It can start almost any 12V or 24V vehicle, including trucks, buses, agricultural machinery, construction equipment, aircraft tugs, and emergency vehicles. - Can it power other equipment besides jump starting?
Yes. With high amp-hour capacity, it serves as a mobile power bank for 12V and 24V systems—ideal for field repairs, remote workstations, or emergency lighting setups. - Is this suitable for remote or off-grid operations?
Absolutely. The trailer-mounted design and onboard battery capacity make it perfect for isolated sites where vehicle access and power supply are limited. - What protection features are included?
The BJT-520B includes reverse polarity protection, anti-spike filtering, fuse protection, and a battery isolation switch to ensure operator and equipment safety. - How is it charged?
The unit comes with a SmartCharger (Model BCS-A2425C) that manages voltage and charge cycles for maximum battery health.
Order the BJT-520B Mobile Jump Starter T-Rex from Power Start
Power up your site with Australia’s most robust dual-voltage mobile jump starter. Whether for industrial use, fleet service, or defence applications, the BJT-520B delivers unmatched performance in the most demanding conditions. Order now from Power Start and experience reliable, high-capacity starting power wherever you need it.
Note: Free shipping does not apply to very heavy items that require skids or pallets.
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