ECO-WORTHY 40A DC-to-DC Charger with 550W MPPT Solar Controller, 12V Dual Battery Charger for RV & Marine
Dispatched by GetGreenEnergy
This item is sent to you directly by our partner GetGreenEnergy, not from CMNAV stock. Dispatch and delivery times are set by them; any delivery charge is shown at the checkout.
Returns & warranty
GetGreenEnergy’s own returns and warranty terms apply to this item. If anything isn’t right, message us first and we’ll arrange it with them for you.
The ECO-WORTHY 40A DC-to-DC Charger with MPPT is an all-in-one charging solution designed for RVs, campervans, and boats. This dual-input charger allows you to charge your auxiliary (leisure) battery from both the vehicle's alternator while driving and from solar panels when parked.
By combining a DC-DC charger and an MPPT solar controller into a single unit, it simplifies your wiring and ensures your battery bank—whether Lithium or Lead-Acid—is always maintained at its optimal charge level.
Key Features
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Dual Input Charging: Simultaneously or independently utilizes power from the vehicle alternator and solar panels to charge your house battery.
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Built-in MPPT Solar Controller: Features Maximum Power Point Tracking with up to 99% efficiency, allowing for up to 550W of solar input.
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Multi-Stage Charging: Employs a sophisticated charging algorithm (Bulk, Boost, Float) to maximize battery life and ensure a 100% state of charge.
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Broad Battery Compatibility: Pre-configured profiles for LiFePO4 (Lithium), AGM, Gel, Flooded, and Sealed Lead-Acid batteries.
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Smart Alternator Compatible: Designed to work seamlessly with modern Euro 6 smart alternators, ensuring stable voltage regardless of the vehicle's engine management.
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Comprehensive Protection: Integrated safety features protect against over-voltage, over-temperature, reverse polarity, and solar back-charging.
Technical Specifications
| Specification | Details |
| Max. Charge Current | 40A |
| System Voltage | 12V DC |
| Max. Solar Input Power | 550W |
| Max. Solar Input Voltage (Voc) | 50V |
| Alternator Input Voltage | 12.5V – 16V DC |
| Charging Mode | DC-to-DC & MPPT Solar |
| Idle Power Consumption | < 20mA |
| Operating Temperature | -35°C to +65°C |
| Weight | Approx. 1.3 kg |
| Dimensions | 221 × 155 × 52 mm |
Warranty & Protection
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Eco-Worthy Warranty: This product includes a 1-year Eco-Worthy warranty covering technical defects and manufacturing performance issues.
What’s in the Box?
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ECO-WORTHY 40A DC-to-DC Charger with MPPT
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External Temperature Sensor
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IGN Signal Wire (for smart alternator connection)
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User Manual
Delivery: this item is sent to you directly by our partner GetGreenEnergy, not from CMNAV stock, so dispatch and delivery times are set by them. Any delivery charge is shown at the checkout before you pay.
Returns & warranty: GetGreenEnergy’s own returns and warranty terms apply to this item. If anything isn’t right, message us first and we’ll arrange it with them for you. Your statutory rights are not affected.