This DC to DC buck converter accepts a 12 to 24 volt direct current input and provides a regulated 3.7 volt output capable of delivering up to 20 amperes. It steps down higher voltage sources to a stable 3.7V suitable for powering 3.7V devices and battery packs from common 12 or 24V power sources. Key benefits Enables 3.7V devices to run from standard 12V or 24V power systems, such as vehicles, boats, or solar setups Simple integration with existing 1224V circuits to provide a single point 3.7V power rail current capability of up to 20A supports moderate to drain loads Reliable step down from a wide input range to a fixed 3.7V output Key attributes Functionality: DC to DC buck conversion from 1224V input to a fixed 3.7V output Output: 3.7V regulated output, suitable for 3.7V devices or Liion battery packs requiring a stable 3.7V supply Input compatibility: designed to operate from common 12V and 24V DC sources Performance: capable of delivering up to 20A continuous current to the load Construction: robust electrical module designed for use in standard 1224V systems Compatibility and applications Fits systems that provide 12V or 24V DC power and require a 3.7V supply for the downstream device Suitable for powering 3.7V electronic modules, 3.7V Liion battery packs, or other 3.7V loads from a higher voltage source Use cases Automotive or RV power systems: convert vehicle or trailer electrical power (12V or 24V) to a stable 3.7V for 3.7V electronics or battery packs on board Solar and off grid setups: supply a steady 3.7V rail from a 1224V source to run 3.7V devices in remote installations Hobby and prototyping: integrate a 3.7V power stage in projects that require a reliable 3.7V source from a common 1224V supply Notes This description reflects the input range of 12V to 24V and a fixed 3.7V output with a maximum current of 20A, aligning with the stated product specifications No additional features beyond the requested specifications are assumed or added