Optimize Your Solar System with the MPPT Solar Charge Controller 20A 12/24V ML-SeriesKey Features: 1. Maximum Efficiency: Our MPPT solar charge controller boasts an impressive 98% conversion efficiency, efficiently converting solar energy into usable power for charging batteries or directly supplying loads. Thanks to the built-in DC-DC converter, surplus voltage is transformed into current, a method that's up to 40% more efficient than traditional Pulse Width Modulation (PWM) systems. 2. Low Power Consumption: With a minimal self-consumed power ranging from 0.7W to 1.2W, this controller exerts negligible impact on your system, ensuring maximum utilization of solar energy. 3. Customizable Charging Parameters: Compatible with all types of batteries, our MPPT controller allows for flexible customization of charging parameters, adapting to various battery specifications with ease. 4. Intelligent Temperature Monitoring: Each unit comes with a temperature sensor, providing real-time battery temperature data. This feature not only enhances battery longevity but also dds an extra layer of safety to your solar setup. 5. User-Friendly Interface: For enhanced convenience, our controller can be equipped with an optional Bluetooth module. This feature enables you to monitor historical data and make adjustments via a user-friendly app on your smartphone, putting control at your fingertips. Specifications: System Voltage: 12/24V Maximum Solar Open Circuit Voltage (V.O.C): 100VDC Maximum Solar Voltage (V.M.P): 75VDC DC-DC Conversion Frequency: 40kHz Solar Input Power: 12V Battery Bank: 260 Watts 24V Battery Bank: 520 Watts Rated Charge Current: 20Amps Rated Load Current: 20Amps Operating Temperature: -35°C to +45°C Protection Degree: IP32 Communication Method: RS232 Dimensions: 210mm x 151mm x 60mm Weight: 2kgs Packaging Contains: 1 x MPPT Solar Charge Controller 20A