Description
Powerhouse 40A DC to DC Dual Battery Charger with MPPT Solar Input
Reliable In-Vehicle Battery Charging Solution
The Powerhouse 40A DC to DC Battery Charger is designed for 4WDs, caravans, RVs, boats, and off-grid setups, ensuring efficient dual battery management. It automatically regulates power from both your vehicle’s alternator and solar panels, keeping your auxiliary battery fully charged and protected.
With multi-stage charging, this unit supports Lead Acid, AGM/Gel, Calcium, LiON, and LiFePO4 battery types. The built-in MPPT solar charge controller optimizes solar charging efficiency, accepting PV solar panels within 16-25V (minimum 100W panel required).
🔹 Battery Chemistry Lockout Feature – Prevents changes while the auxiliary battery is connected, ensuring safe and reliable charging.
Key Features
🔋 40A DC to DC Charging – Supports AGM, Gel, Calcium, LiON, LiFePO4, VRLA, and Lead Acid batteries
☀ MPPT Solar Input – Maximum Power Point Tracking for optimal solar efficiency
🚗 Smart Alternator Compatibility – Works with modern variable voltage alternators
⚡ Multi-Stage Charging – Automatic 4-stage charging with battery isolation
💡 LED Indicators – Displays real-time charging status and battery condition
🔌 Battery Chemistry Selection Lockout – Prevents accidental changes when connected
Advanced Protection Features
✅ Overcharging & Over-temperature Protection
✅ Short Circuit & Reverse Polarity Protection (Input & Output)
✅ Thermal Overload Protection
✅ Solar Input Overload Protection
Durable & User-Friendly Design
💪 Heavy-Duty Aluminium Case & Mounting Bracket – Built for rugged environments
🔧 Microchip Monitoring & Control – Ensures precise charging and safety
🔄 Pulse Mode Technology – Reduces oxidation, balances electrolyte consistency, and extends battery life
🚀 Power Cut Memory Function – Charger retains the last battery setting after power loss
Perfect For:
✔ 4WD & Off-Road Vehicles – Powers fridges, lights, and accessories
✔ Caravans & RVs – Ensures continuous power while travelling
✔ Boats & Marine Use – Provides stable power for onboard electronics
✔ Camping & Off-Grid Living – Efficiently charges auxiliary batteries via solar
Specifications
General
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Type: Multi-Stage
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DC Battery Input: 12.5-16.0V
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Solar Input: 16.0-25.0V
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Output/Charging Voltage: 14.4 - 15.4V (Stops charging when alternator output or vehicle battery drops below 12.5V)
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DC Output Current: 40A
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Solar Output Current: 40A
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Minimum Start Voltage: 2.5V (for battery being charged)
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Minimum Solar PV Panel Size: 100W
Charge Control
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Soft Start: Yes
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Soft Charge Current: 40A
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Bulk Charge Voltage:
- 14.7V (AGM/Gel)
- 13.5V (Lead Acid)
- 15.4V (Calcium)
- 14.4V (LiON)
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Absorption: Constant voltage with automatic amperage control
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Float Charge Voltage:
- 13.5V (AGM/Gel)
- 14.4V (Lead Acid)
- 13.5V (Calcium)
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Float Charge Current: 100mA
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Battery Range: 60-500Ah
Recommended Cable Cross-Section
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0-1 meters: 8AWG
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1-5 meters: 6AWG
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5+ meters: 4AWG
Stay powered on every adventure with the Powerhouse 40A DC to DC Dual Battery Charger – the ultimate smart battery management solution!
