Feature: 1. High Conversion Efficiency: The controller adopts advanced digital power technology, and the circuit energy conversion efficiency is up to 98% 2. MPPT Controller: This MPPT controller can exert the maximum power of the battery board and provide larger charging current, can improve the energy utilization rate by 15% to 20% compared with PWM controller 3. Wide Compatibility: This MPPT controller supports charging of different types of batteries such as sealed battery, AGM battery, flooded battery, gel battery and lithium iron phosphate battery 4. Multiple Protection: The controller has multiple protections, protecting against reverse polarity, overcharge, overdischarge, overload, short circuit, reverse current, has TVS lightning protection and over temperature protection 5. Temperature Compensation Function: The controller has temperature compensation function, which can automatically adjust the charging parameters, improves battery life Specification: Item Type: MPPT Solar Controller Material: Aluminum alloy and ABS Model: ML4860N15 System Voltage: 12V 24V 36V 48V (automatic identification) Battery Voltage: 9-65V Solar Maximum Input Voltage: 150V (25??C), 145V (-25??C) Maximum Power Point Voltage Range: Battery voltage plus 2-120V Rated Charging Current: 60A Rated Load Current: 20A Maximum Capacitive Load Capacity: 10000uF Maximum Input Power of Photovoltaic System: 800W 12V, 1600W 24V, 2400W 36V, 3200W 48V Conversion Efficiency: ??98% MPPT Tracking Efficiency: >99% Operating Temperature: -35??C to +45??C Protection Class: IP32 Communication Method: RS232 Altitude: ??3000 meters. Package List: 1 x MPPT Solar Controller2 x Manual2 x Data Cable