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REDARC 20A In-Vehicle DC Battery Charger (Ignition Control)

$459.00
SKU: RDAC-BCDC1220-IGN
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REDARC 20A In-Vehicle DC Battery Charger with Ignition Control

Designed specifically for modern vehicles with ECU-controlled variable voltage alternators, the REDARC BCDC1220-IGN delivers reliable 20A multi-stage charging to keep your auxiliary battery fully charged whether you're commuting, touring, or heading deep into the backcountry. Built tough for engine bay installation, it's the ideal dual battery charging solution for today's smart alternator vehicles.

The BCDC1220-IGN intelligently manages charging from both 12V and 24V vehicle electrical systems while utilizing a dedicated ignition trigger to ensure proper operation with variable voltage alternators. Its advanced multi-stage charging profile maximizes battery performance and longevity while safely charging AGM, Gel, Calcium, VRLA, and standard flooded lead acid batteries.

Designed and manufactured in Australia, the BCDC1220-IGN features fully sealed electronics that withstand water, dust, vibration, and extreme temperatures up to 176°F, making it a dependable solution for 4WDs, overland vehicles, trucks, service vehicles, and off-road adventures.

20A Multi-Stage Charging • Ignition Controlled • Variable Voltage Alternator Compatible • Engine Bay Ready • Australian Made


Key Features

  • 20A Multi-Stage Charging: Delivers optimized charging for maximum auxiliary battery performance.
  • Variable Voltage Alternator Compatible: Specifically designed for modern ECU-controlled charging systems.
  • Ignition Control: Uses an ignition trigger to ensure proper charging operation on smart alternator vehicles.
  • Wide Input Voltage: Operates from both 12V and 24V vehicle electrical systems (9–32V input).
  • Dual Battery Protection: Functions as a battery isolator to prevent excessive discharge of the starting battery.
  • Supports Multiple Battery Types: Compatible with AGM, Gel, Calcium, VRLA, and standard lead acid batteries.
  • Engine Bay Installation: Compact design engineered to withstand harsh under-hood environments.
  • Australian Made: Designed and manufactured to perform in demanding off-road conditions.

Why It Performs

  • Optimized for Smart Alternators: Dedicated ignition control ensures consistent charging even when alternator voltage fluctuates.
  • Protects Your Starting Battery: Automatically isolates the auxiliary battery when input voltage drops too low.
  • Built for Harsh Environments: Fully sealed electronics resist water, dust, mud, vibration, and extreme temperatures.
  • Maximizes Battery Life: Intelligent multi-stage charging safely charges auxiliary batteries to 100% over multiple charging cycles.
  • Adventure Ready: Perfect for powering refrigerators, lighting, communications equipment, compressors, and other accessories while traveling.

Technical Specifications

  • Brand: REDARC
  • Part Number: BCDC1220-IGN
  • Charging Current: 20 Amps
  • Input Voltage: 9–32V DC
  • Vehicle Compatibility: 12V & 24V Electrical Systems
  • Charging Method: Multi-Stage DC-to-DC Charging
  • Ignition Trigger: Yes
  • Compatible Battery Types:
    • AGM
    • Gel
    • Calcium
    • VRLA
    • Standard Lead Acid
  • Installation Location: Engine Bay
  • Maximum Operating Temperature: 176°F (80°C)
  • Construction: Fully Sealed Electronics
  • Country of Manufacture: Australia

What's Included

  • (1) REDARC BCDC1220-IGN 20A DC-to-DC Battery Charger
  • Installation Instructions

Installation Note: This charger is designed for vehicles equipped with ECU-controlled variable voltage alternators and requires an ignition trigger connection during installation. For simplified installation, REDARC recommends pairing this charger with a compatible BCDC Wiring Kit and Mounting Bracket where applicable.


Ideal For

  • 4WDs & Overland Vehicles
  • Modern Smart Alternator Vehicles
  • Pickup Trucks
  • SUVs
  • Touring Vehicles
  • Work Trucks
  • Camper Builds
  • Dual Battery Systems
  • Engine Bay Installations
  • Off-Road Adventures

Why Choose the REDARC BCDC1220-IGN?

  • Purpose-built for modern ECU-controlled variable voltage alternators.
  • Reliable 20A multi-stage charging for maximum auxiliary battery performance.
  • Integrated battery isolation protects your starting battery.
  • Fully sealed and engineered for demanding off-road environments.
  • Supports a wide range of common lead acid battery chemistries.
  • Proudly engineered and manufactured in Australia.

Why Buy from Expedition Superstore?

  • Authorized REDARC Dealer: Shop genuine REDARC battery chargers, battery management systems, wiring kits, and overlanding power solutions.
  • Complete Dual Battery Solutions: Find chargers, batteries, solar components, mounting brackets, wiring kits, and accessories all in one place.
  • Expert Technical Support: Our experienced team can help you choose the right charging solution for your vehicle and electrical system.
  • Free Shipping: Enjoy free shipping on qualifying orders over $349 so you can spend less on freight and more on your next adventure.
  • Need help designing your dual battery system? — Schedule your build chat today!

REDARC 20A In-Vehicle DC Battery Charger with Ignition Control

Designed specifically for modern vehicles with ECU-controlled variable voltage alternators, the REDARC BCDC1220-IGN delivers reliable 20A multi-stage charging to keep your auxiliary battery fully charged whether you're commuting, touring, or heading deep into the backcountry. Built tough for engine bay installation, it's the ideal dual battery charging solution for today's smart alternator vehicles.

The BCDC1220-IGN intelligently manages charging from both 12V and 24V vehicle electrical systems while utilizing a dedicated ignition trigger to ensure proper operation with variable voltage alternators. Its advanced multi-stage charging profile maximizes battery performance and longevity while safely charging AGM, Gel, Calcium, VRLA, and standard flooded lead acid batteries.

Designed and manufactured in Australia, the BCDC1220-IGN features fully sealed electronics that withstand water, dust, vibration, and extreme temperatures up to 176°F, making it a dependable solution for 4WDs, overland vehicles, trucks, service vehicles, and off-road adventures.

20A Multi-Stage Charging • Ignition Controlled • Variable Voltage Alternator Compatible • Engine Bay Ready • Australian Made


Key Features

  • 20A Multi-Stage Charging: Delivers optimized charging for maximum auxiliary battery performance.
  • Variable Voltage Alternator Compatible: Specifically designed for modern ECU-controlled charging systems.
  • Ignition Control: Uses an ignition trigger to ensure proper charging operation on smart alternator vehicles.
  • Wide Input Voltage: Operates from both 12V and 24V vehicle electrical systems (9–32V input).
  • Dual Battery Protection: Functions as a battery isolator to prevent excessive discharge of the starting battery.
  • Supports Multiple Battery Types: Compatible with AGM, Gel, Calcium, VRLA, and standard lead acid batteries.
  • Engine Bay Installation: Compact design engineered to withstand harsh under-hood environments.
  • Australian Made: Designed and manufactured to perform in demanding off-road conditions.

Why It Performs

  • Optimized for Smart Alternators: Dedicated ignition control ensures consistent charging even when alternator voltage fluctuates.
  • Protects Your Starting Battery: Automatically isolates the auxiliary battery when input voltage drops too low.
  • Built for Harsh Environments: Fully sealed electronics resist water, dust, mud, vibration, and extreme temperatures.
  • Maximizes Battery Life: Intelligent multi-stage charging safely charges auxiliary batteries to 100% over multiple charging cycles.
  • Adventure Ready: Perfect for powering refrigerators, lighting, communications equipment, compressors, and other accessories while traveling.

Technical Specifications

  • Brand: REDARC
  • Part Number: BCDC1220-IGN
  • Charging Current: 20 Amps
  • Input Voltage: 9–32V DC
  • Vehicle Compatibility: 12V & 24V Electrical Systems
  • Charging Method: Multi-Stage DC-to-DC Charging
  • Ignition Trigger: Yes
  • Compatible Battery Types:
    • AGM
    • Gel
    • Calcium
    • VRLA
    • Standard Lead Acid
  • Installation Location: Engine Bay
  • Maximum Operating Temperature: 176°F (80°C)
  • Construction: Fully Sealed Electronics
  • Country of Manufacture: Australia

What's Included

  • (1) REDARC BCDC1220-IGN 20A DC-to-DC Battery Charger
  • Installation Instructions

Installation Note: This charger is designed for vehicles equipped with ECU-controlled variable voltage alternators and requires an ignition trigger connection during installation. For simplified installation, REDARC recommends pairing this charger with a compatible BCDC Wiring Kit and Mounting Bracket where applicable.


Ideal For

  • 4WDs & Overland Vehicles
  • Modern Smart Alternator Vehicles
  • Pickup Trucks
  • SUVs
  • Touring Vehicles
  • Work Trucks
  • Camper Builds
  • Dual Battery Systems
  • Engine Bay Installations
  • Off-Road Adventures

Why Choose the REDARC BCDC1220-IGN?

  • Purpose-built for modern ECU-controlled variable voltage alternators.
  • Reliable 20A multi-stage charging for maximum auxiliary battery performance.
  • Integrated battery isolation protects your starting battery.
  • Fully sealed and engineered for demanding off-road environments.
  • Supports a wide range of common lead acid battery chemistries.
  • Proudly engineered and manufactured in Australia.

Why Buy from Expedition Superstore?

  • Authorized REDARC Dealer: Shop genuine REDARC battery chargers, battery management systems, wiring kits, and overlanding power solutions.
  • Complete Dual Battery Solutions: Find chargers, batteries, solar components, mounting brackets, wiring kits, and accessories all in one place.
  • Expert Technical Support: Our experienced team can help you choose the right charging solution for your vehicle and electrical system.
  • Free Shipping: Enjoy free shipping on qualifying orders over $349 so you can spend less on freight and more on your next adventure.
  • Need help designing your dual battery system? — Schedule your build chat today!