This 12V to 19V 4A DC power converter provides a direct DC to DC conversion from a 12V source to a 19V output, delivering up to 4A (76W) of power. It is designed for devices that require a 19V supply and enables operation from common 12V power sources such as vehicles, portable batteries, or other low voltage systems. Key benefits Enables operation of 19V devices from a 12V power source, expanding where you can use them. Reduces the need for wall outlets or separate AC adapters when traveling or in a vehicle. Provides a compact, portable solution for sourcing 19V power from a 12V system. Simple integration with compatible 12V supplies for on the go use. Supports up to 76W of output power at 19V and 4A. Key attributes Functionality: Converts 12V DC input to 19V DC output at up to 4A. Compatibility: Intended for devices that require a 19V DC power supply. Size: Compact form factor suitable for portable use. Material: Not specified in the product title. Performance: Output up to 76W; 19V output at 4A maximum. Use cases Power a 19V laptop from a car battery or other 12V source during travel or camping. Run a 19V LCD monitor or other 19V device from a 12V battery bank or solar power setup. Use in a workshop or field environment to power test equipment that requires a 19V supply from a 12V source.