20A PWM solar charge controller with LCD display and dual USB 5V - 260W (12V) / 520W (24V)

Welcome to our shop! Discover our smart solar charge controller, model K1688, designed to optimize and secure your solar energy system. Made of robust blue ABS, this controller combines advanced performance with ease of use. **Practical Features:** This controller offers you complete control: lighting management, adjustment of charge and discharge parameters, memory function in case of power outages, and much more. It automatically adapts to 12V or 24V systems. **Power and Fast Charging:** Equipped with dual USB outputs, it delivers a maximum current of 2.5A (5V), allowing for fast charging of your phone and other electronic devices. **Clear and Comprehensive Display:** Its large LCD screen clearly displays essential information: cumulative energy generated, discharge power, temperature, and other real-time data. **Enhanced Safety:** Your installation is protected by built-in devices against overcurrent, short circuits, open circuits, and reverse connections. Designed with a reverse polarity protection circuit and an industrial control chip, it guarantees ultra-low heat generation for safer and more durable operation. **Technical Specifications:** **Maximum Photovoltaic Voltage:** 50V **Boost Charge Voltage:** 14.4V **Float Voltage:** 13.7V (default, adjustable) **Discharge Cutoff Voltage:** 10.7V (default, adjustable) **Discharge Recovery Voltage:** 12.6V (default, adjustable) **Charge Recovery Voltage:** 13V **Standby Current:** < 10mA **Operating Temperature Range:** -35°C to +60°C **Recommended Maximum PV Input Power:** **For the 10A model:** 130W (12V system) / 260W (260W system) 24V)* **For the 20A model:** 260W (12V system) / 520W (24V system)* **For the 30A model:** 390W (12V system) / 780W (24V system)**Package Contents:** You will receive 1 solar charge controller and 1 user manual.