The REDARC Manager Alpha75 is a premium battery management system designed to efficiently charge and maintain auxiliary batteries in caravans, camper trailers, and recreational vehicles. Combining DC, AC, and solar charging, it delivers reliable power in any environment—ensuring your secondary battery bank stays topped up no matter where your adventures take you.
With up to 75A of charge available from multiple power sources simultaneously, the Alpha75 easily supports high-demand appliances including induction cooktops, fridges, and air conditioners. It’s engineered to replenish energy faster than you can consume it, all while maintaining maximum system efficiency.
Compact, lightweight, and built to withstand the harshest conditions, the Manager Alpha75 frees up valuable space for gear and provides total control and visibility through the integrated RedVision display.
Key Features
- Built for the Outback: Tested against extreme vibration standards and rugged Australian touring conditions.
- Simultaneous 75A Charging: DC, AC, and solar charging work together to deliver rapid and efficient power.
- Start Battery Charge & Recovery: Uses excess solar power to maintain or recover your start battery in the event of a flat.
- Smart Battery Monitor: Bluetooth 5.1 connectivity provides reliable monitoring up to 42 metres away.
- RedVision Integration: View state of charge, remaining capacity, current flow and full system diagnostics.
- Compact & Lightweight: Up to 55% smaller and 20% lighter than comparable systems.
- Dual Battery Support: Includes start battery back-charge and recovery features.
- 2-Year Warranty for peace of mind.
Specifications
- Current Measurement Range: ± 500A
- Start Battery Input Voltage: 9–32V DC
- Solar Input Voltage: 9–32V DC
- Nominal Output Voltage: 12V
- Supported Battery Types: Gel, AGM, Calcium, Standard Lead Acid, Lithium
- Nominal Charge Current: 75A
- AC Input Voltage: 95–264V AC, 45–65 Hz
- Operating Temperature Range: –20°C to 60°C


















































