Bring safe, reliable charging control to your small to mediumsized solar system. This Solar Charge Controller is a straightforward solar panel battery regulator available in 10A, 20A, 30A and 40A ratings and designed for use with 12V, 24V or 48V systems. The model shown is the 20A version and includes dual USB ports for charging phones and small devices. Why you need it Keeps your battery charged correctly from solar panels, preventing improper charging that shortens battery life. Lets you choose the right current capacity for your system: select 10A, 20A, 30A or 40A to match panel output and battery size. Dual USB ports let you power or charge mobile devices directly from the controller when the system is active. Key benefits Flexible compatibility: works with 12V, 24V and 48V systems so the same controller model can be used with a variety of battery setups. Scalable performance: available in multiple current ratings so you can size the controller to your panels and batteries. Convenience: builtin dual USB ports provide onthespot charging for phones, tablets, lights, and other USB devices without needing a separate inverter. Main features and attributes Functionality: solar charge regulation from panels to battery, with integrated USB charging ports. Voltage compatibility: supports 12V, 24V and 48V battery systems. Current options: available in 10A, 20A, 30A and 40A versions (20A model referenced). Applications: designed for offgrid solar setups where paneltobattery regulation and auxiliary USB charging are needed. Form factor: compact controller suitable for integration into small enclosures or mounting near battery banks (select appropriate model for current rating). How it solves common problems Prevents improper charging that can overcharge or undercharge batteries by providing a dedicated regulation stage between panels and battery. Removes the need for a separate USB power source so small devices can be charged directly from your solar system. Allows matching of controller capacity to system demand, avoiding undersized controllers that can overheat or fail. Suggested use cases Cabin or tiny home solar system: use the 20A or 30A model to manage charge from a modest panel array into a 12V or 24V battery bank while charging phones via the dual USB ports. RV or camper setup: regulate solar charging for 12V batteries and keep mobile devices charged on the road with the builtin USB outputs. Small offgrid lighting or security installations: pair a 10A or 20A controller with a compact solar panel and battery to supply lighting and charge a backup phone. Quick selection guide Choose 10A for small singlepanel systems and compact battery banks. Choose 20A (the model shown) for modest arrays and typical 12V or 24V recreational systems. Choose 30A or 40A for larger panel arrays or highercapacity battery banks where greater charging current is required. Ensure your solar panel and battery voltages match the controller's supported system voltage (12V, 24V or 48V). What's included Solar Charge Controller (selected current rating; this listing references the 20A unit). Dual USB charging ports integrated into the controller. Installation notes Match the controller rating to your panel and battery capacities. Follow standard wiring practices for solar systems and place the controller where it is protected from moisture and excessive heat. Use appropriately sized cables and secure battery connections to ensure safe operation. This solar charge controller provides a practical, flexible, and easytoselect way to regulate solar charging in 12V/24V/48V systems while adding convenient USB charging for everyday devices. Choose the current rating that fits your system needs (10A, 20A, 30A, or 40A).