products description: This is an intelligent solar charge and discharge controller. Fixed LCD display with a very friendly interface, various control parameters can be flexibly set, fully meet your home Photovoltaic system (including home lighting system) requirements. Widely used for solar green light, solar light billboards, solar insecticidal lights, solar power generation systems, ship solar power systems, solar power generation systems, and more. Features: Stable Performance: Built-in industrial micro controller, which can operate steadily in cold, high temperature and humid environment. 12V/ 24V Voltage Auto Identification, so intelligent and provides your life more convenience. LCD Display Large Screen: ensures convenient and intuitive operations. Dual USB output: Easy connect to mobile phones, allows fast and powerful charging for mobile phones. Fully 3-stage PWM charge management: Equalizing charge to the battery periodically, can effectively prevent the battery from non-equalization and sulfuration, and prolong the battery's service life Full Protection: Provides overcharge, over-discharge, overload protection, as well as short-circuit and reverse-connection protection. Wide range of load working: facilitate the product's application to different types of street lights and monitoring devices. Wide Application: Applicable for solar green light, solar light billboards, solar insecticidal lights, solar power generation systems, ship solar power systems, solar power generation systems, etc. Spec: Color: Green + Black Rated Voltage: 12/ 24V (Auto-ID) Max. Ge