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12V/24V 20A/30A/40A MPPT Solar Charge Controller with Lithium Activation, RS485 Modbus and Temperature Compensation

  • Model: YL-GY2420-MB
  • System Voltage: 12V / 24V Auto Recognition
  • Rated Charge Current: 20A / 30A / 40A
  • Battery Types: Lead-Acid, GEL, Flooded, Lithium & Custom Settings
  • Max. PV Input Power: Up to 570W (12V) / 1150W (24V), depending on model
  • Max. PV Open-Circuit Voltage: 60V
  • MPPT Tracking Efficiency: Up to 99.9%
  • Charge Conversion Efficiency: 95%–98%
  • Communication: RS485 Modbus
  • Interface: RJ45
  • Load Control: Light, Timer & Manual Modes
  • Operating Temperature: -40°C to 70°C
  • Protection: PV Overvoltage, Reverse Polarity, Short Circuit, Overload, Overtemperature & Battery Protection
  • Enclosure Rating: IP32
  • Cooling: Natural Convection
  • Customization: Logo, Housing, Charging Parameters, Communication Settings, Terminals & Packaging
  • Supply Options: Ready-to-Ship, Private Label & OEM Customization
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12V/24V Auto MPPT & 20A/30A/40A Charging

  • This intelligent MPPT controller supports auto 12V/24V recognition with 20A/30A/40A selectable charging current.
  • High tracking efficiency over 99%, compatible with multiple battery types and built-in lithium activation function.
  • Note: Match PV power and battery specs before installation to fit your off-grid solar storage system.

Temperature Compensation & RS485 Modbus Communication

  • It comes with temperature compensation and supports light, timer, manual and DTU multi load control modes.
  • RJ45 RS485 Modbus interface enables remote monitoring, parameter setting and system integration.
  • Simultaneous charge & discharge available for stable power supply for outdoor and agricultural loads.

Multi Protections & Wide Environmental Adaptability

  • Comprehensive multi-protection covers PV, battery and load against reverse polarity, short circuit and overheating.
  • IP32 enclosure, natural cooling, -40°C~70°C wide working range for harsh outdoor environments.
  • Customizable parameters, logo and packaging; OEM & private label cooperation are available.

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