Product Overview
This RS485 solar controller is designed for 12V and 24V off-grid photovoltaic systems, featuring fully automatic charge/discharge management and built-in WiFi for real-time monitoring. Ideal for solar home systems, street lights, and small power stations, it ensures efficient battery charging and extended battery life.
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage | 12V / 24V Auto Detect |
| Max Charging Current | 30A / 40A / 50A (Optional) |
| Communication | RS485 + WiFi (APP Control) |
| Charging Mode | PWM / MPPT (Selectable) |
| Battery Types | Lead-Acid, Gel, AGM, Lithium |
| Protection | Reverse Polarity, Overload, Short Circuit, Over Temperature |
| Operating Temp | -20°C ~ +60°C |
| Certification | CE, RoHS |
Why Choose Sanlita
Sanlita is a leading Chinese factory specializing in solar controllers for over 10 years. We offer OEM/ODM services, strict quality control, and competitive factory prices. Our RS485 WiFi controller is trusted by installers worldwide for its durability and smart features.
FAQ
Q: Does this controller work with both 12V and 24V systems?
A: Yes, it automatically detects and adapts to 12V or 24V battery banks without manual switching.
Q: Can I monitor the controller remotely via WiFi?
A: Absolutely. The built-in WiFi module allows you to monitor voltage, current, and charging status via a free mobile app.
Q: What battery types are supported?
A: It supports lead-acid, gel, AGM, and lithium batteries. You can select the battery type in the settings.
Q: Is there any protection against reverse polarity?
A: Yes, the controller has built-in reverse polarity protection to prevent damage during installation.
Q: What is the warranty period?
A: Sanlita offers a 2-year warranty and lifetime technical support for all solar controllers.






