Skip to content

Orders over $100 ship free within the contiguous USA

REDARC SKU: BCDC12025B

REDARC BCDC Alpha25 12V 25A DC Battery Charger (BCDC12025B)

With a combination of DC and solar charging, the BCDC Alpha25 is a rugged 12V, 25A DC-DC battery charger perfect for charging batteries used in a range of recreational vehicles and 4x4s so you can adventure for longer. Suitable for engine bay installation.

On backorder: ships when back in stock
Free Delivery Orders over $100
Tech Support USA based

Always charged, never stranded, stay powered up wherever your adventure takes you with REDARC’s BCDC Alpha25. Featuring 25A of advanced charging technology, this DC to DC charger keeps your start and secondary batteries charged using power from your vehicle’s alternator or solar. The BCDC Alpha's built in Green Power Priority™ will prioritise solar input, minimising the load on your alternator and saving fuel.

Instant Insight

Stay informed and monitor the BCDC Alpha’s charge status in real-time through Bluetooth® and the RedVision smartphone app. Gain full control of your power with configurable input current limits, allowing you to customise it to your system requirements and protect your electrical system.

Start Battery Charging

Recover a flat start battery with the push of a button in as little as 15 minutes, giving you the power to safely start your vehicle and get you back on the road in no time. Don’t let excess solar power go to waste, utilise solar to automatically top up the start battery when the secondary battery is full.

Simplified Install

The BCDC Alpha’s pushbutton interface and screw connections allow for a simple installation. There’s no solder or tricky wiring configurations and, with a range of wiring kits and mounting brackets available, installation is a breeze.

Built Tough

Outlast and outperform other chargers. Designed, tested and manufactured in Australia, the BCDC Alpha25 has IP67/69K dust and moisture protection making it the most reliable, highest performing dual battery charger available.

Features

  • 25A Charging from DC and solar power
  • Compatible with all common automotive battery types including lithium (LiFePO4)
  • Outlast other chargers with IP67/69K dust and moisture protection
  • Easy installation with pushbutton interface and screw connections
  • Charge back to your start battery with excess solar
  • Recover a flat start battery with the push of a button
  • Remote monitoring and control from the RedVision app with Bluetooth®
  • Protect your vehicle’s alternator with adjustable input current limit
  • Future proof charging with over-the-air updates

Not Sure Which Model Is Right For You?

Compare the features side by side to find the perfect match for your power needs.

Specifications

Start Battery Input Voltage Range 9 – 32VDC
Solar Input Voltage Range 9 – 48VDC
Nominal Output Voltage 12V
Compatible Battery Types AGM, Gel, Calcium, Standard Lead Acid, Heated Lithium, Standard Lithium
Nominal Current Rating 25A
Operating Temperature –40°F to 185°F
Weight 32.6oz (.925kg)
Height 1.73" (44mm)
Width 6.46" (146mm)
Depth | length 5.75" (164mm)
Warranty 2 Years

Brand
REDARC
Brand
REDARC
Charge Current
25A
Input voltage
9–32V DC (solar 9–48V DC)
System Voltage
12V
Solar Input
Yes – MPPT
Lithium Compatible
Yes – standard & heated LiFePO4

Only logged in customers who have purchased this product may leave a review.

Same-Day Shipping

Most orders placed before 1:00 PM PDT on business days ship same day from our California warehouse. Expedited overnight and 2-day options available at checkout.

Free Delivery

Take advantage of free standard shipping on orders over $100. Only available for shipping addresses in the Contiguous United States.

Returns & Warranty

We offer a 30-day return policy for unused items in original packaging. Manufacturer warranties apply to all products.

Not sure this is the right product?

Our USA-based technical team can help you size your system. Mon-Fri 7:30AM to 4:00PM PST.

Batteries
Charge & Convert
Accessories
Wire & Cable
Terminals & Connectors
Solar
Communications

Trade Partner Program

Account approval typically within: 24 hours

Apply for Trade Account
(657) 571-6768 Mon-Fri 7:30AM to 4:00PM PST