Feature: 1. MPPT Controller: This MPPT controller can exert the maximum power of the battery board and provide larger charging current, improve the energy utilization rate by 15% to 20% compared with PWM controller 2. High Efficiency: This MPPT controller adopts advanced digital power technology, has high circuit energy conversion efficiency which is up to 98%, and high MPPT tracking efficiency which is up to 99% 3. Wide Compatibility: This MPPT controller can charge for different types of batteries, such as sealed battery, AGM battery, flooded battery, gel battery and lithium iron phosphate battery 4. Multi Protection: The controller has multi protection against reverse polarity, overcharge, overdischarge, overload, short circuit, reverse current, over temperature, and has TVS lightning protection 5. Temperature Compensation Function: The controller has temperature compensation function, can automatically adjust the charging parameters, improving battery life Specification: Item Type: MPPT Solar Charge Controller Material: Aluminum alloy and ABS Model: ML2430 System Voltage: 12V 24V (automatic identification) No Load Loss: 0.7-1.2W Battery Voltage: 9-35V Solar Maximum Input Voltage: 100V (25C), 90V (-25C) Maximum Power Point Voltage Range: Battery voltage plus 2-75V Rated Charging Current: 30A Rated Load Current: 20A Maximum Capacitive Load Capacity: 10000uF Maximum Input Power of Photovoltaic System: 400W (12V), 800W (24V) Conversion Efficiency: 98% MPPT Tracking Efficiency: >99% Operating Temperature: -35C to +45C Protection Class: IP32 Communication Method: RS232 Altitude: 3000 meters. Package List: 1 x MPPT Solar Charge Controller2 x Manual1 x Data Cable