The Delta ADP-40PH BB AC Adapter is designed for use with various electronic devices that require an output voltage of 19V and 2.1A power supply. This black AC/DC adapter is compatible with a universal range of models, making it a versatile option for charging or powering various consumer electronics. With its reliable brand reputation, Delta ensures high-quality performance for your devices. This adapter is suitable for use in a variety of settings where a reliable power source is needed.