Enhance your solar energy system with this advanced 30A PWM Solar Charge Controller, designed for automatic DC 12V/24V system voltage identification to maximize battery efficiency and lifespan. Featuring an upgraded 3-stage PWM charging algorithm and periodic equalizing charging, it effectively prevents battery sulfation and ensures balanced battery maintenance for steady, reliable power. Key Features: · Automatic Voltage Recognition: Supports DC 12V and 24V systems, auto-detecting system voltage for seamless compatibility without manual settings. · Advanced 3-Stage PWM Charging: Includes bulk, boost, and float charging stages plus equalization charging to optimize battery performance and extend battery life. · Automatic Temperature Compensation: Adapts charging parameters according to ambient temperature changes, ensuring safe and efficient battery charging under various environmental conditions. · Comprehensive Protection Functions: Equipped with overcharge, over-discharge, overload, and short-circuit protection to safeguard batteries and connected devices, enhancing reliability and safety. · User-Friendly Interface: Features a dot matrix graphic LCD screen and intuitive human-machine interface with key controls, providing convenient monitoring and easy operation. · Smooth Load Starting: Incorporates an advanced load starting method that allows large-capacitance loads to start smoothly without interruption. · Durable and Reliable Design: Manufactured with ABS material and industrial-grade components for stable operation in harsh conditions; includes TVS lightning protection for added safety. · Versatile Application: Ideal for use in solar photovoltaic systems such as home power generation setups, base stations, RVs, yachts, ships, and other off-grid solar installations. · Convenient USB Output: Comes with a 5V/1A USB port for charging compatible devices directly. Specifications: · Item Type: Solar Controller · Material: ABS · Color: Black · Charging Type: PWM · Rated Current: 30A · Rated Power: 12V/450W; 24V/900W · System Voltage: DC 12V/24V automatic identification · Solar Input Voltage: <55V · Maximum Battery Terminal Voltage: <34V · Overvoltage Protection: 17.0V (12V), 34.0V (24V) · Equalization Charging Voltage: 14.8V (12V), 29.6V (24V) · Boost Charging Voltage: 14.6V (12V), 29.2V (24V) · Floating Voltage: 13.8V (12V), 27.6V (24V) · Charging Return Voltage: 13.2V (12V), 26.4V (24V) · Over-discharge Return Voltage: 12.6V (12V), 25.2V (24V) · Over-discharge Voltage: 11.1V (12V), 22.2V (24V) · Equalizing Charge Interval: 30 days · Equalizing Charging Duration: 1 hour · Boost Charging Duration: 2 hours · Temperature Compensation: –3.0mV/℃ per 2V · Light Control Voltage: ON at 5V, OFF at 7V (12V system), doubled for 24V · Light Control Judgment Time: 1 minute · No-load Loss: <13mAh (12V), <15mAh (24V) · Protection Level: IP30 · Operating Temperature Range: –25°C to +55°C Package Includes: · 1 x 30A PWM Solar Charge Controller This robust solar charge controller offers reliable and efficient battery management for various solar photovoltaic applications. Its intelligent features, extensive protections, and durable design make it an essential component for optimizing your solar power system and ensuring stable energy supply in diverse environments.