Feature:   1. MPPT Peak Power Tracking Technology: MPPT solar controller adopts mppt peak power tracking technology, it can realize the peak power of the solar panel and extract the peak power to charge the battery.     2. Multiple Protections: This solar charge controller has multiple protections such as reverse connection protection, current limiting power protection, high voltage surge protection, equipment overheating protection, battery overheating protection, night charging protection, overvoltage protection, over discharge protection, short circuit protection, safe and secure use.     3. High Conversion Efficiency: The unique circuit design enables high DC, DC conversion efficiency at high and low power interruptions, up to 98.5 percents and full load efficiency of 97 percents.     4. Applicable Battery Type: This solar panel regulator is applicable to colloid, liquid, lithium battery and other battery types, and it is easy to use.     5. Wide Applications: The solar charge controller has wide range of applications, power stations, plants, plantations, villas, RV, yachts, etc., supporting various batteries and working environments.             Specification:               Item Type: Solar Charge Controller  Material: Aluminium alloy  Gross Weight: 148.2oz  System Rated Voltage: 12V 24V 36V 48V DC or automatic identification  Working Voltage Range of Controller: 11-64V  Lithium Battery Type: Lithium iron phosphate, ternary lithium, liquid, user defined  Rated Charging Current: 40A  Rated Charging Power: 540W12V 1080W24V 1620W36V 2160W48V  Maximum Open Circuit Voltage of Photovoltaic Modules: 150V, at the lowest temperature; 138V, at 25 & 8451;  Tracking Power: ≥ 99.5 percents  Maximum Switching Power: 97.5 percents  Heat Dissipation Mode: Air cooling  Communication Mode: RS485                               Package List:   1 x Solar Charge Controller     1 x Manual