Sale

Ignitions and Electrical› Charging Systems

REDARC

REDARC BCDC Alpha50 R 12V 50A Battery Management System

$1,209.00 $1,099.00 Save $110.00

SKU: R05B BCDC12050R

In Stock
In Stock
Ships by Oct 16
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The REDARC BCDC Alpha50 R is a 12-volt, 50A DC-DC battery charger designed for recreational vehicles and 4x4s. It charges both start and secondary batteries using power from your vehicle's alternator or solar panels. The charger features Green Power Priority™ to prioritize solar input, minimizing alternator load and saving fuel. It works with an included Smart Battery Monitor to distinguish between battery current and system loads. The unit adjusts its charge mode in real-time to meet battery needs, maximizing efficiency and extending lifespan.
Show original supplier description

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

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandREDARC
Part NumberR05B BCDC12050R

Videos

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

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.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy