Features Efficient MPPT Solar Charging Up to 99% MPPT Tracking Efficiency: Maximizes solar energy harvest under changing sunlight conditions. Up to 98% Conversion Efficiency: Converts more solar power into usable battery charging energy. Supports up to 3200W PV Input: Recommended for solar arrays up to 800W (12V), 1600W (24V), 2400W (36V), or 3200W (48V). Flexible System Compatibility 12V/24V/36V/48V Auto Detection: Automatically identifies the system voltage during installation. 150V Max Solar Input Voltage: Supports flexible solar panel configurations. Supports Multiple Battery Types: Compatible with Sealed, Gel, Flooded, and Lithium batteries. User-Friendly Operation LCD Display with LED Indicators: Displays charging status, battery information, operating parameters, and fault codes. Bluetooth Ready: Supports the optional BT-1 Bluetooth module via the RS232 communication port for wireless monitoring. Die-Cast Aluminum Housing: Provides efficient heat dissipation for reliable operation. Comprehensive Reliability Advanced Electronic Protection: Protects against reverse polarity, overcharging, overload, and short circuit. Lithium Battery Recovery: Capable of charging over-discharged lithium batteries. Designed for Long-Term Reliability: Durable construction for demanding off-grid applications. Specifications Nominal System Voltage: 12V/24V/36V/48V Auto Rated Battery Current: 60A Rated Load Current: 20A Max Solar Input Voltage: 150V(77℉), 145V(-13℉) Max Solar Input Power: 800W/12V; 1600W/24V; 2400W/36V; 3200W/48V Charge Circuit Voltage Drop: ≤0.26V Discharge Circuit Voltage Drop: ≤0.15V Operating Temperature: -31°F to 113°F Max Terminal Size: