The Redarc BCDC1225D is one of Australia’s most trusted 25A DC-DC chargers, designed to reliably charge your auxiliary battery while you travel - no matter where the adventure takes you. This charger delivers a genuine 25 amp output, perfect for running 12V accessories like fridges, lights, and sensitive electronics, making it ideal for 4WDs, caravans, camper trailers, and touring vehicles.

Dual Input for Versatility and Maximum Efficiency

The Redarc BCDC1225D features dual input technology. It seamlessly charges your auxiliary battery using both your vehicle’s alternator and a dedicated solar input - making it the ultimate dual battery charger for off-grid applications. The integrated Maximum Power Point Tracking (MPPT) solar regulator ensures you get the best possible charge from your solar panels, even in low light, for dependable charging performance wherever you are.

Wide Battery Compatibility and Advanced Charge Profiles

This model supports all major battery types, including AGM, Gel, Standard Lead Acid, Calcium, and LiFePO4 Lithium batteries. The BCDC1225D charge profiles are selectable to suit your battery chemistry, protecting your investment and ensuring maximum service life and reliability—no matter your setup. The unit’s multi-stage charging process (Boost, Absorption, and Float) delivers up to 100% state of charge, even for lithium batteries with built-in management systems.

Rugged, Compact, and Built for Harsh Australian Conditions

The Redarc BCDC1225D is engineered to thrive in tough conditions. With a compact, fully-sealed housing (165 x 120 x 37 mm), it resists water, dust, and vibration. Fan-free cooling and robust electronics mean consistent performance in high temperatures and rough terrain. This makes it a top choice for remote travel and demanding installations.

Simple, Flexible Installation

Installing the Redarc BCDC1225D is straightforward, thanks to its flexible mounting options. It can be fitted in the engine bay, cabin, or chassis rail—anywhere close to the auxiliary battery for best results. The charger is compatible with both standard and variable voltage (smart) alternators in 12V and 24V vehicles. For optimum protection, use recommended fuses (FK40 kit) and follow the supplied detailed installation guide for safe, long-lasting operation.