Description
20A PWM Waterproof Solar Controller 12V RichSolar
The 20A PWM Waterproof Solar Controller by RichSolar is a top-tier solution for efficiently managing your solar power system. Utilizing advanced Pulse Width Modulation (PWM) technology and MOSFET switching control, this solar controller ensures high efficiency and low power consumption, making it an ideal choice for both residential and commercial applications. Its robust design and comprehensive protection features make it a reliable component for your renewable energy setup.
One of the standout features of the RichSolar 20A PWM Solar Controller is its common positive grounding connection, which simplifies the installation process and enhances system safety. The controller supports smart charging control and charging time management, ensuring optimal performance and longevity of your batteries. The LED indicators provide clear, real-time information about the battery condition and charging status, allowing you to monitor and manage your system with ease.
Advanced Features and Reliable Protection
The RichSolar 20A PWM Solar Controller is packed with advanced features designed to ensure safe and reliable operation. It includes overvoltage protection, short circuit protection, and reverse polarity protection to safeguard your system against potential hazards. The thermal protection feature prevents overheating, extending the life of the controller and ensuring consistent performance.
This solar controller is also waterproof, making it suitable for outdoor installations. Its solid-duty cables and corrosion-resistant terminals and connectors ensure durability and long-term reliability, even in harsh environments. The conformal coating on the internal board protects against moisture, further enhancing the controller’s resilience and performance. Additionally, it includes a port for an optional external battery temperature sensor, allowing for precise temperature compensation and optimal charging.
Versatile Battery Compatibility
The RichSolar 20A PWM Solar Controller is compatible with a wide range of rechargeable lead-acid batteries, including Flooded (WET), AGM, GEL, and Lithium (LiFePO4) batteries. The battery type can be easily set via the DIP switch, allowing you to customize the controller to meet the specific needs of your system. This versatility makes it an excellent choice for various solar power applications.
Easy Installation and Use
Installing the RichSolar 20A PWM Solar Controller is straightforward and convenient. The unit comes with three plastic spacers and self-tapping screws for quick and easy mounting on a flat surface. The vertical wall mounting design ensures that the controller can be securely installed in a variety of locations, while the IP65 rating guarantees protection against dust and water ingress, making it suitable for both indoor and outdoor use.
Environmental Resilience
The RichSolar 20A PWM Solar Controller is designed to operate efficiently in a wide range of environmental conditions. It can function within an operating temperature range of -25°C to 50°C (-13°F to 122°F) and can be stored at temperatures as low as -40°C (-40°F) and as high as 85°C (185°F). With 100% humidity tolerance and no condensation, this controller is built to perform reliably in various climates and settings, making it a versatile and durable choice for your solar power needs.
Technical Specifications
| Feature | Details |
|---|---|
| Rated Solar Panel Amps | 20AMP Max. |
| Normal Input Solar Cell Array Voltage | 15-22VDC |
| Max. Solar Cell Array Voltage (No Load) | 25VDC Max. |
| Controller Lowest Operating Voltage | 8VDC Min. |
| Standby Current Consumption at Night | 5mA Max. |
| Maximum Voltage Drop – Solar Panel to Battery | 0.25VDC Max. |
| Minimum Battery Start Charging Voltage | 3VDC Min. |
| Soft Start Charging Voltage | 3-10±0.2VDC |
| Soft Start Charging Current (50% PWM Duty) | Up to 10AMP |
| Bulk Charge Voltage | 10-14±0.2VDC |
| Equalization Charging Voltage at 25°C | 15.5±0.2VDC |
| Equalization Charging Timer Timed Out | 2 Hours |
| Battery Temperature Compensation Coefficient | -24mV/°C |
| Temperature Compensation Range | -20~+50°C |
| Over Temperature Protection During Charging | 65°C |
| Input Output Terminal | M5 Terminals |
| Controller Material | Plastic, Standard ABS |
| Power Terminal Maximum Stranded Wire Size | #10AWG stranded-5mm² |
| Mounting | Vertical Wall Mounting |
| IP Grade | IP65 |
| Net Weight | Approx. 0.3kg/0.66lb |
| Operating Temperature | -25~50°C (-13～122℉) |
| Storage Temperature | -40~85°C (-40～185℉) |
| Operating Humidity Range | 100% No Condensation |
admin (store manager) –
Great Solar Controller, recommended for small solar projects