Features Innovative MPPT Technology: This solar charger controller utilizes innovative MPPT technology with a tracking efficiency of up to 99% and a peak conversion efficiency of up to 98%. Programmable LCD Display: This solar charger controller features a programmable LCD display with clear backlighting for clearer operation. Good Heat Dissipation: This solar charger controller is designed with multiple pronged edges, which increases the heat dissipation area and has good heat dissipation performance. Multiple Protection Functions: This solar charger controller has multiple protection functions, such as overcharging and over discharging protection, short circuit open circuit reverse connection protection, over current protection, overheating temperatu Wide Application: This solar charger controller has a wide range of applications and can be used for RVs, trailers, boats, ships, campgrounds, homes. Specification:Item Type: MPPT Solar Controller Material: Aluminum Alloy System Voltage: 12V,24V,36V,48V,Auto No Load Loss: ≤0.4W Solar Maximum Input Voltage: 160V (25℃), 150V (-25℃) Battery Voltage: 9-64V Maximum Power Point Voltage Range: Battery Voltage +2V-150V Conversion Efficiency: ≤98% MPPT Tracking Efficiency: ＞99% Temperature Compensation Coefficient: -2mv/℃, 2V Default Value Operating Temperature: -10℃-65℃ Protection Grade: IP21 Battery Compatibility: Comply with EN61000, EN55022, EN55024 Communication Mode: Rs485 Optional Altitude: ≤3000m Package List:1 x MPPT Solar Controller4 x Screw4 x Expansion Tube Package List 1 x MPPT Solar Controller 4 x Screw 4 x Expansion Tube