Solar charge controller designed for small to medium 12V or 24V battery systems with reliable charging control, load management, and USB output. The ABS housing and wide operating temperature range make it suitable for indoor or sheltered outdoor installations where compact, dependable control is required. Key benefits Automatic 12V and 24V detection simplifies setup and prevents incorrect wiring. 30A maximum charging current and 10A discharging current provide stable charge and load control for common lead acid and sealed batteries. Builtin USB and DC outputs allow simultaneous device charging and powering of small DC loads. Adjustable cutoff and reconnect voltages let you match battery charging profiles and protect battery life. Compact ABS construction and wide operating temperature range allow use in cabins, vehicles, boats, and remote lighting systems. Main specifications Item type: Solar controller Material: ABS Supported battery systems: 12V and 24V autodetection; applicable battery voltage range 9V to 24V Charging current: 30A (maximum) Discharging current: 10A (maximum) Maximum solar input voltage: up to 23V for 12V battery systems; up to 46V for 24V battery systems Charging cutoff voltage: 14.4V default, adjustable within 8V to 30V Discharging cutoff voltage: 10.7V default, adjustable within 7V to 27V Reconnect voltage: 12.6V default, adjustable within 8V to 28V Light control thresholds: Light on at solar panel 8V with delay; light off at solar panel 8V with off delay USB output: less than 2A DC output: less than 5A Operating temperature: 35 C to +60 C What this controller does for you Keeps a 12V or 24V battery properly charged from a solar panel while preventing overcharge with an adjustable cutoff. Protects battery from deep discharge through an adjustable discharging cutoff and automatic reconnect threshold. Powers DC loads and charges small devices through separate DC and USB outputs without compromising charge management. Accepts higher solar panel open circuit voltages appropriate to the selected battery system so you can use common PV panels. Practical use scenarios Offgrid cabin lighting and device charging: Manage a 12V battery bank, power LED lights through the load output, and charge phones or small electronics via USB. Campervan or boat systems: Autodetect 12V or 24V battery configuration, maintain battery health while providing DC power to accessories and USB charging for devices. Garden and pathway lighting: Control light on and off behavior based on solar panel voltage with builtin delay to reduce false switching at dawn and dusk. Package contents 1 x Solar controller 2 x Cables 1 x User manual Suitable for users who need a straightforward, adjustable controller for small solar systems that supports both 12V and 24V batteries. For reliable operation, match the solar panel and battery within the specified voltage ranges and observe the current limits when connecting loads.