Description
Powerhouse 40A DC to DC Dual Battery Charger with Solar Input
Efficient & 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, offering efficient dual battery management. This charger automatically regulates power from both your vehicle’s alternator and solar panels, ensuring your auxiliary battery stays fully charged and protected, while preventing main battery discharge when the engine is off.
With multi-stage charging, it supports Lead Acid, AGM/Gel, Calcium, LiON, and LiFePO4 battery types. The built-in MPPT solar charge controller optimizes solar charging efficiency (16-25V range, minimum 100W panel required).
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 ensures optimal solar efficiency
🚗 Smart Alternator Compatibility – Works with modern variable voltage alternators
⚡ Multi-Stage Charging – High-frequency 4-stage charging with automatic battery isolation
💡 LED Indicators – Displays real-time charging status and battery condition
🔌 Battery Chemistry Selection Lockout – Prevents accidental changes while the auxiliary battery is 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 traveling
✔ 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 is below 12.5V)
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DC 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!
