MPPT Solar Charge Controller

Maximum power point tracking (MPPT) controller

Sandi MPPT solar charge controller is an intelligent PV controller designed for off-grid PV power generation systems. The controller features wide-range PV voltage input, RS485/CAN communication, modular design, and high conversion efficiency.

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MPPT solar charge controller is suitable for off-grid PV systems, PV power generation systems, DC communication base stations, solar power station systems, and solar DC power supply systems.

• MPPT solar charge controller uses a high-speed and high-performance 32-bit processor with excellent EMC design.
• Advanced MPPT tracking algorithm offers a tracking efficiency of no less than 99%.
• MPPT solar charge controller uses IGBT as electronic switch and multi-phase synchronous rectification technology to improve equipment stability.
• Super-fast maximum power point tracking speed ensures accurate identification and tracking of multiple peaks of the maximum power point.
• Wide input voltage range can save costs on combiner boxes and wiring, reducing construction costs.
• Advanced PID algorithm offers a more precise battery energy management system.
• Four-stage charging mode maximizes the utilization of PV modules and batteries.
• Secondary protection function ensures that the battery is not damaged by overcharging under any circumstances.
• Dual-loop control of voltage and current allows for setting of current-limiting charging.
• Fully enclosed air duct structure design ensures high protection level and high-speed intelligent fan cooling.
• Power generation statistics and real-time power curve functions allows for real-time monitoring of the system's power generation status.
• Can control the charging and discharging of the controller through RS485 and dry contact input.
• Based on the standard Modbus communication protocol using the RS-485 communication bus.