SUOER ST-W1210 PWM Solar Charge Controller

SUOER ST-W1210 PWM Solar Charge Controller


The SUOER ST-W1210 is a Pulse Width Modulation (PWM) solar charge controller designed for managing and optimizing the charging process of batteries from solar panels. It ensures the efficient transfer of power from the solar panels to the batteries while preventing overcharging, deep discharging, and other issues that can affect battery health and longevity. This controller is suitable for use in small to medium solar power systems and is designed with user-friendly features to facilitate easy installation and operation.

Key Features:

  • Technology: PWM (Pulse Width Modulation)
  • Rated Voltage: 12V/24V auto recognition
  • Rated Current: 10A
  • Display: LED indicators for battery status and charging status
  • Protection Features: Overcharge protection, over-discharge protection, overload protection, and short-circuit protection
  • Temperature Compensation: Adjusts charging parameters based on ambient temperature to prevent battery overcharging or undercharging
  • User-friendly Interface: Simple and easy-to-understand LED indicators

Technical Specifications:

  • Max. PV Voltage: 50V
  • Float Charge Voltage: 13.7V (adjustable)
  • Discharge Stop Voltage: 10.7V (adjustable)
  • Discharge Reconnect Voltage: 12.6V (adjustable)
  • Charge Reconnect Voltage: 13V (adjustable)
  • Self-consumption: <10mA
  • Dimensions: 130 mm x 70 mm x 30 mm
  • Weight: 150 g
  • Operating Temperature Range: -35°C to +55°C
  • Humidity Range: ≤90% non-condensing
  • Terminals: Suitable for wires up to 6 mm²


  • Solar Home Systems: Ideal for managing solar power in small to medium home solar setups.
  • Outdoor Solar Projects: Suitable for solar installations in cabins, RVs, boats, and off-grid applications.
  • Battery Maintenance: Ensures efficient battery charging and prolongs battery life in various solar power systems.
  • Renewable Energy Projects: Useful in educational and experimental renewable energy setups.

For detailed technical information, refer to the SUOER ST-W1210 PWM Solar Charge Controller Datasheet.

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