PWM Negative Ground : Designed for compatibility with AGM, Gel, Flooded, and Lithium batteries, ensuring safe and efficient charging. Real-time Monitoring : Integrated RS232 port and BT-1 Bluetooth module enable seamless data transfer to the DC Home smartphone app, keeping you informed at all times. Low Self-Consumption : With minimal power draw from the battery, our controller optimizes system efficiency and extends the lifespan of your power setup. Versatile Compatibility : Adaptable to various battery types, this controller is ideal for diverse off-grid applications. Intelligent Management : Three-stage charge management and diverse load control offer unparalleled flexibility in energy usage. Elevate your off-grid experience with our PWM Negative Ground Solar Charge Controller. Engineered for efficiency, it seamlessly integrates with different battery types while minimizing self-consumption. Real-time monitoring capabilities via smartphone app ensure you're always connected to your system's performance. Designed with intelligence, it offers three-stage charge management and diverse load control for optimized energy distribution. Perfect for adventurers and remote setups, it's the ultimate energy companion.