Compact PWM solar charge controller designed for simple, reliable power management for small off grid systems. Key benefits Protects your system and battery: builtin safeguards prevent damage from short circuit, open circuit, reverse connection, and overcurrent conditions. Improves charging performance: full 3stage PWM management optimizes conversion of solar energy, helping maintain battery health and reduce wasted power. Portable device charging: integrated USB ports let you charge phones, tablets, and other USB devices directly from the system, providing power where you need it. Fast, error installation: clear markings for battery, solar panel, and DC load connections make setup straightforward and reduce wiring mistakes. What makes it stand out Practical safety coverage combined with efficient 3stage PWM charging gives reliable operation without complex configuration. Useroriented design: clear terminal labels and compact footprint simplify installation in panels, RVs, boats, or small home systems. Versatile for everyday needs: supports DC loads and USBcharged devices so the same controller can maintain batteries and power accessories. Function and compatibility Function: regulates charging from a solar panel to a battery using 3stage PWM control, supplies DC load output, and offers USB power output for mobile devices. Compatibility: suitable for typical small solar panels, batteries, and DC loads used in portable and residential off grid applications. Design: compact and lightweight with a durable enclosure for easy mounting and integration into limitedspace installations. Performance highlights Threestage PWM charging improves conversion efficiency and supports more consistent battery voltage management. Multiple electrical protections reduce risk of component damage and extend system uptime. USB ports provide convenient power for everyday electronics without adding separate adapters. Suggested applications Outdoor camping and overlanding: keep batteries topped and charge phones and tablets from a single compact controller. RVs and boats: maintain house batteries and run interior DC lights and USB accessories with clear wiring and builtin protections. Remote cabins and garden sheds: manage small solar arrays to power lighting, sensors, and USB devices while protecting batteries and loads. Who this is for Homeowners and DIY installers building small off grid or backup solar systems. Outdoor enthusiasts and mobile users who need portable charging and reliable battery maintenance. Anyone looking for a simple, protected solar charge controller with USB output and easy installation.