BCD-12120B Battery Charger – 12V 120A Automatic Workshop Charger for Large Capacity Batteries

(5 Metre Charge cables available on request at additional cost.)

The BCD-12120B Battery Charger is a robust, fully automatic 12V workshop charger delivering a powerful 120 amps of output, ideal for charging and supporting large batteries during diagnostics, programming, or servicing. Engineered for high-demand environments, it maintains full battery voltage to ensure scan tools and ECU systems operate without interruption.

Built into a heavy-duty, powder-coated steel case, this charger features 3m leads with quality clamps, full electrical protection, and fast, safe multistage charging. With support for batteries up to 800Ah, the BCD-12120B is designed to handle fleet vehicles, commercial workshops, marine systems, and more.

Key Features of the BCD-12120B Battery Charger

12V / 120A Output – Delivers high-current charging for large battery banks.

Battery Range: 200Ah–800Ah – Perfect for trucks, buses, boats, and heavy-duty systems.

Maintains Full Voltage During Diagnostics – Keeps vehicle voltage stable under ECU programming.

Fully Automatic Smart Operation – Fast, safe charging with float mode transition.

Overload & Short Circuit Protected – Full built-in safety against workshop risks.

Surge & Spike Suppression – Prevents damage to sensitive electronics.

Powder-Coated Steel Enclosure – Rugged, no-exposed-connections design for safe handling.

Australian Standards Compliant – Ready for commercial use across the country.

Frequently Asked Questions

What types of batteries is the BCD-12120B suited for?
This charger is designed for 12V lead-acid batteries, including AGM, flooded, and gel batteries ranging from 200Ah to 800Ah. It’s ideal for heavy-duty vehicles, backup systems, marine fleets, and large battery storage banks.

Can it maintain voltage during ECU programming?
Yes. With a stable 120A output, the BCD-12120B ensures constant voltage during diagnostic sessions and ECU flashing, keeping tools and vehicle systems online without voltage dips or restarts.

Is it safe for continuous use in a workshop?
Absolutely. The unit is fuse protected, with built-in over-current, over-voltage, and short circuit protection. It’s designed for continuous-duty cycles in high-traffic service areas, with reliable cooling and surge protection included.

Is the charger portable?
Yes. Weighing just 10.2 kg, and fitted with a wide carry handle and integrated clamp holders, it’s easy to move around the workshop. The 3-metre cables offer extended reach across bays and larger vehicles.

What makes this charger better than lighter units?
Unlike standard chargers, the BCD-12120B delivers sustained 120A output, making it capable of charging or supporting very large battery systems efficiently and without heat overload. It’s built for commercial reliability, not just occasional use.

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