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 Dual Input Charging: Simultaneously or independently utilizes power from the vehicle alternator and solar panels to charge your house battery. Built-in MPPT Solar Controller: Features Maximum Power Point Tracking with up to 99% efficiency, allowing for up to 550W of solar input. Multi-Stage Charging: Employs a sophisticated charging algorithm (Bulk, Boost, Float) to maximize battery life and ensure a 100% state of charge. Broad Battery Compatibility: Pre-configured profiles for LiFePO4 (Lithium), AGM, Gel, Flooded, and Sealed Lead-Acid batteries. Smart Alternator Compatible: Designed to work seamlessly with modern Euro 6 smart alternators, ensuring stable voltage regardless of the vehicle's engine management. 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 USER MANUAL Warranty & Protection Eco-Worthy Warranty: This product includes a 1-year Eco-Worthy warranty covering technical defects and manufacturing performance issues. What’s in the Box? ECO-WORTHY 40A DC-to-DC Charger with MPPT External Temperature Sensor IGN Signal Wire (for smart alternator connection) User Manual
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