PWM Solar Charge Controller for VRLA GEL Lithium Batteries, Automatic DuskDawn Control and Memory Function

Solar floodlight controller designed for automated dusk to dawn operation, flexible battery compatibility, and reliable parameter retention. Key benefits Automatic dusk to dawn control: turns the floodlight on at sunset based on ambient light and turns it off at the user set value or at sunrise, eliminating the need for manual switching. Precise light sensitivity: nine adjustable sensitivity grades let you set exactly how dark it must be before lights turn on, reducing false triggers and saving energy. Broad battery compatibility: works with common storage batteries including VRLA, GEL, and iron based lithium batteries for use in many solar setups. Solar panel protection: open circuit anti overcharge function helps protect the solar panel and charge circuit from overcharge conditions. Reliable settings retention: memory function automatically saves user parameters so settings remain intact after power failure or battery depletion. Features and performance Function: automated on off control tied to ambient light with nine sensitivity levels for fine tuning. Protection: open circuit anti overcharge to protect the solar input and charging components. Memory: nonvolatile parameter storage keeps programmed values through outages and low battery events. Compatibility: supports VRLA, GEL, and iron based lithium storage batteries for flexible integration. Mounting and fit: compact form factor suitable for standard controller enclosures and easy to integrate into existing solar lighting systems. Operation: designed for dependable switching behavior and consistent performance across daily light cycles. How this controller solves common problems Removes daily manual control by automating light activation according to natural light conditions. Reduces energy waste from lights turning on too early or staying on too long by offering precise sensitivity adjustment and timed off options. Prevents repeated reprogramming after outages with automatic parameter retention. Protects solar panels from overcharge stress using an open circuit anti overcharge feature. Typical applications Outdoor floodlighting for yards, parking areas, and building facades where dusk to dawn automation and adjustable sensitivity are required. Remote or off grid solar lighting installations using VRLA, GEL, or iron based lithium batteries that benefit from retained settings and panel protection. Temporary sites and construction areas where reliable automatic control and simple integration with different battery types speed deployment. What to expect Simple integration into solar lighting systems where automatic dusk to dawn control and battery compatibility matter. Precise light sensitivity adjustment across nine levels to match local conditions. Continued operation without needing to reenter settings after power interruptions. This controller provides straightforward automated lighting control, wide battery compatibility, solar panel protection, and memory retention for reliable, low maintenance solar lighting.