ST-F1220 PWM 12V 20A Solar Charge Controller

The ST-F1220 is a PWM (Pulse Width Modulation) solar charge controller designed to manage the charging and discharging of 12V batteries in solar power systems. With a 20A current rating, it is suitable for small to medium-sized solar setups. The controller ensures optimal battery performance and longevity by regulating the voltage and current coming from the solar panels to the battery. It also features multiple protections and an easy-to-read display for monitoring system status.

Key Features:

• PWM Technology: Provides efficient and consistent charging for 12V batteries.
• 20A Current Rating: Suitable for small to medium-sized solar power systems.
• Battery Type Compatibility: Compatible with sealed, gel, and flooded batteries.
• LCD Display: Easy-to-read display for real-time monitoring of system status and parameters.
• Multiple Protections: Includes overcharge, over-discharge, overload, and short-circuit protections.
• Temperature Compensation: Adjusts charging parameters based on temperature to ensure optimal performance.
• Intelligent Load Control: Allows for automatic control of connected loads.

Technical Specifications:

• System Voltage: 12V DC
• Rated Charge/Discharge Current: 20A
• Max Solar Input Voltage: 25V
• Float Charge Voltage: 13.7V (adjustable)
• Discharge Cut-Off Voltage: 10.7V (adjustable)
• Discharge Reconnect Voltage: 12.6V (adjustable)
• Self-Consumption: ≤10mA
• Temperature Compensation: -3mV/°C/cell
• Operating Temperature Range: -35°C to +60°C
• Storage Temperature Range: -35°C to +80°C
• Dimensions: 150mm x 78mm x 35mm
• Weight: 200g

Applications:

• Small to Medium Solar Power Systems: Ideal for residential and small commercial solar installations.
• Off-Grid Solar Systems: Ensures efficient battery charging and system reliability for off-grid setups.
• Remote Locations: Suitable for use in remote areas without access to grid power.
• RV and Marine Applications: Provides reliable battery management for recreational vehicles and boats.

Safety Features:

• Overcharge Protection: Prevents battery overcharging, extending battery life.
• Over-Discharge Protection: Protects the battery from deep discharge, preserving battery health.
• Overload Protection: Automatically disconnects the load to prevent excessive current draw.
• Short-Circuit Protection: Prevents damage from electrical short circuits.
• Reverse Polarity Protection: Protects the controller and battery from damage due to incorrect wiring.

Datasheet:
For detailed technical information, refer to the ST-F1220 PWM 12V 20A Solar Charge Controller Datasheet provided by the manufacturer.