REDARC BCDC Alpha25 – 25A DC to DC Charger

Always charged, never stranded.
The REDARC BCDC Alpha25 keeps your batteries powered anywhere your adventure takes you. Delivering 25A of advanced charging, it maintains your start and auxiliary batteries using power from your alternator or solar. With built-in Green Power Priority™, it automatically prioritises solar input to reduce alternator load and save fuel.

Instant Insight

Stay completely in control with real-time monitoring through Bluetooth and the RedVision smartphone app. View live charge status, configure input current limits, and tailor the charger to suit your electrical system for maximum protection and performance.

Start Battery Recovery

Flat start battery? No stress. Recover it in as little as 15 minutes with a single button press. The Alpha25 also uses excess solar power to automatically top up your start battery once the auxiliary battery is full.

Simplified Installation

The Alpha25 is built for easy DIY or workshop installation. With pushbutton setup, screw terminals, no soldering, and a full range of wiring kits and brackets available, installation is clean and simple.

Built Tough for Australia

Designed, tested, and manufactured in Australia, the BCDC Alpha25 is built to outperform in harsh conditions. Featuring IP67/69K dust and water protection, it’s one of the toughest dual battery chargers on the market.

Key Features

• 25A charging from DC and solar

• Compatible with all major battery types, incl. LiFePO4

• IP67/69K rating for extreme dust & moisture protection

• Easy installation with pushbutton interface & screw connections

• Charge your start battery using excess solar

• Recover a flat start battery fast

• Bluetooth monitoring via RedVision app

• Adjustable input current limit protects your alternator

• Over-the-air firmware updates