Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Ignitions and Electrical› Charging Systems
REDARC
REDARC BCDC Alpha50 R 12V 50A Battery Management System
SKU: R05B BCDC12050R
Moderate — 2–4 hours
Overview
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Part #: BCDC12050R
Always charged, never stranded, stay powered up wherever your adventure takes you with REDARC s BCDC Alpha50 R. Featuring 50A 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. When paired with the included Smart Battery Monitor, the BCDC Alpha50 R can distinguish between current sent to your battery and to the loads in your system. If the Charge Current is set below maximum, the charger taps into this unused current to supply your system s loads directly, minimising reliance on your battery. The result Less demand on your battery and an extended lifespan for worry-free adventures.
Charge up and adventure longer with the BCDC Alpha50 R, our 12V, 50A DC-DC charger with solar input, built for recreational vehicles and 4x4s
Vehicle Symptoms
- Auxiliary battery drains quickly when running fridge
- Solar panel not fully charging the house battery
- Fridge shuts off after a few hours of driving
- Inverter cuts out due to low battery voltage
- House battery never reaches full charge on road trips
Relevant Conversations
- best DC to DC charger for dual battery setup
- auxiliary battery not charging from alternator
- solar panel not charging house battery properly
- REDARC vs Victron DC charger comparison
- how to install DC DC charger in 4x4
- dual battery system for camping and off grid
- BCDC Alpha50 review 50A
- REDARC BCDC12050R installation video
- can DC DC charger work with lithium battery
- fridge running down battery while driving
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | REDARC |
| Part Number | R05B BCDC12050R |
Videos
Ultimate DCDC Charger Comparison: Redarc BCDC Alpha 50 vs Victron Orion XS 50 Review
Simple Dual Battery Setup - DIY 12v System - Redarc BCDC ALPHA 50A w/ LiFePO4 Battery
Introducing REDARC's Manager Alpha: The Next Gen of Smart Battery Monitors
Common BCDC Tech Tips from REDARC
Which BCDC Is Right for You? | REDARC’s Ultimate Battery Charger Comparison Guide
Redarc BCDC Alpha vs the Classic BCDC
Best DC-DC Charger for Alternator Charging | Victron vs REDARC Compared
The ONLY 12V System You'll Ever Need - REDARC Manager Alpha
Which DCDC Charger Do I Need? | A Guide to Redarc's Classic, Core, & Alpha Models
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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