The Y1 12V to 13.8V 4A non isolated boost power converter is a compact DCDC regulator designed to convert a 12V input into a stable 13.8V output at up to 4A. It provides a simple, direct solution for applications that require a higher rail voltage from a 12V source without electrical isolation. Key benefits Delivers a regulated 13.8V output from a 12V input to support devices and systems that expect 13.8V. Supports up to 4A of continuous current, enabling powering or charging mid range loads. Non isolated design simplifies integration in 12V systems with a common ground, reducing wiring complexity and component count. Compact boost regulator suitable for automotive and mobile applications where space and wiring efficiency matter. Key attributes Model: Y1 Input voltage: 12V DC Output voltage: 13.8V DC Maximum output current: 4A Type: Boost voltage regulator Isolation: Non isolated Compatibility and usage notes Intended for use in 12V systems that require a 13.8V rail Ground reference is common between input and output due to non isolated design Wiring should respect correct polarity and remain within the 4A output limit Use cases Automotive or mobile setups where a 13.8V level is needed to power or charge devices designed for 13.8V operation from a 12V source Leadacid or other 13.8V battery charging scenarios that originate from a 12V supply in vehicles, boats, or off grid configurations 12V to 13.8V regulation in compact electronics kits or experimental benches where a fixed 13.8V rail is required without galvanic isolation Installation and operating tips Connect the 12V source to the input terminals and the load to the 13.8V output terminals Ensure the load does not exceed 4A to maintain safe operation Be aware of the non isolated nature of the converter and avoid situations that require galvanic isolation between input and output circuits This description reflects the original product's brand, specifications, model, and features without adding or omitting details.