20A Pwm Solar Charge Controller Lcd Usb 12V 24V Solar Power Chargers

This Intelligent And Multifunctional Solar Charge Controller Features A Fixed Lcd Screen For Easy Parameter Adjustment Meeting Diverse Application Needs. It Utilizes A Full 4-Stage Pwm Charge Management System And Includes Built-In Protections Against Short Circuits Open Circuits Reverse Polarity And Overload. The Dual Mosfet Design Ensures Reverse Current Protection And Low Heat Generation.

System Connection:

1. Connect The Battery To The Charge Controller (Positive And Negative).
2. Connect The Photovoltaic Module To The Controller (Positive And Negative).
3. Connect The Load To The Charge Controller (Positive And Negative).

Disconnect In Reverse Order. Incorrect Connection Sequence May Damage The Controller.

Specifications:

• Model: Cy1220
• Battery Voltage: 12V/24V Auto
• Charging/Discharging Current: 20A
• Max Solar Input: 50V (24V System) / 25V (12V System)
• Usb Output: 5V/3A
• Self-Consumption: 10Ma
• Operating Temperature: -35°C To +60°C

Safety Precautions:

• Install According To Professional Advice.
• Keep Away From Water Moisture And Insects.
• Keep Children Away.
• Keep Away From Heat Sources.
• Verify Rated Voltages Before Connecting.
• Ensure Correct Polarity.
• Use Appropriate Cable Diameter; Avoid Thin Cables.
• Total Rated Current Of Solar Panel And Loads Must Be Less Than The Controller's Rated Current.
• Ensure Secure Connections.

Important Notes:

• Connect The Battery To The Controller Before Connecting The Solar Panel.
• Do Not Use A Dc Power Supply Instead Of A Solar Panel.

Indicator Lights:

• Charge (Red Led): Solid = Fully Charged; Flashing = Constant Voltage Charging; Off = Not Charging.
• Load (Green Led): On = Loads Operating; Off = Loads Not Operating.
• Battery (Three-Color Led): Red = Low Voltage; Green = Fully Charged; Orange = Normal Operation.

Troubleshooting:

• Green Led Off Battery Led Red: Low Battery Voltage. Turn Off Power Disconnect Load Reconnect Load After Charging Resumes. If Issue Persists Increase Solar Panel Power Or Replace Battery.
• Battery Led Orange Charge Led Green Loads Not Operating: Overload Or Short Circuit. Fuse Will Auto-Reset After 10-20 Minutes Once The Fault Is Corrected.