General description Renogy 12V/24V 50A DC to DC Battery Charger with MPPT technology offers rapid charging capabilities, able to fully recharge a large 1.2kWh battery in just 1.8 hours. This versatile charger supports both 12V and 24V systems, allowing it to boost a 12V input to charge a 24V battery or buck down a 24V input to charge a 12V battery, significantly enhancing your system design. Technical specifications Input Voltage: 12V/24V Output Current: 50A Power Output: 720W Dimensions: 7"x4.8"x1.5" Operating Temperature: -31°F to 176°F Tracking Efficiency: 99% Charging Efficiency: 97% Conversion Efficiency: 94% Installation Designed for easy installation in RV engine bays or off-grid setups. Protected by an IP67 rating, ensuring reliable performance in wet, muddy, or dusty conditions. Usage Intelligently manages solar and alternator power, prioritizing free solar energy. Seamlessly blends power sources when solar is low or uses engine power alone when needed, maintaining up to 50A