Feature:1. MPPT Algorithm: The maximum power tracking algorithm can significantly improve the energy efficiency of the system, and the charging efficiency is 30% higher than that of the PWM method.2. Features: Locate better operating point of the I‑V curve at a high speed, faster response speed and higher tracking efficiency, MPPT tracking efficiency is as high as 99.9%, and circuit energy conversion efficiency is as high as 98%.3. Comprehensive Electronic Protection Functions: Features battery reverse connection protection, PV reverse connection protection, PV short circuit protection, charging overcurrent protection.4. Support for Modbus Protocol: In line with the communication needs of various environments and occasions. Solar energy systems such as households, power stations, off‑grid, base stations, RVs, yachts, ships, etc. can be used.5. Device View: You can view the operating data and status of the device with an external LCD screen (not included) or module (not included), and support to modify the controller parameters.How to Use:After the installation is fixed, connect the battery (not included) and the solar panel (not included) and then you can use it.Specification:Item Type: Solar Charge ControllerMaterial: ABSCharging Type: MPPTRated Voltage: DC 12V/24V AUTOCharging Current: 40ADischarge Current: 20ARated Power: 12V/550W; 24V/1100WWorking Temperature: -35℃ to +45℃Protection Level: IP32Communication Method: RS485Conversion Efficiency: ≤98%MPPT Tracking Efficiency: >99%Altitude: ≤3000MApplicable Scenarios: Solar systems for home use, base stations, off-grid, power stations, RVs, yachts, ships, etc.Package List:1 x Solar Charge Controller1 x Manual1 x Wiring Harness