AC Adapter Dell YY20N 90W 19.5V 4.62A — Laptop Power Supply

Dell AC Adapter YY20N is a 90W laptop power supply that delivers 19.5V at 4.62A. It is compatible with Dell systems that require this voltage and amperage and provides stable power for charging the battery and operating the device. The adapter is intended as a replacement or spare unit for home, office, or travel use and includes a standard AC input with an integrated DC cable for direct connection to compatible laptops.

Advantages

The 90W output and 19.5V/4.62A rating match many Dell laptop power requirements, ensuring consistent charging and operation. The adapter is compatible with multiple Dell part numbers (for example DA90PS1-00) and offers a straightforward plug-and-play connection without additional configuration. Its compact form factor and integrated cable simplify portability and storage.

Suitable for

• Replacing a lost or faulty Dell laptop adapter
• Keeping as a spare for travel or a second workspace
• Powering and charging Dell notebooks that require 19.5V and up to 4.62A

Key specifications

• Brand: Dell
• Model / MPN: DA90PS1-00 (YY20N compatible)
• Power: 90W
• Output: 19.5V ⎓ 4.62A
• Category: Power adapters for portable devices
• EAN: 5711045093111

How to use

Connect the adapter to an appropriate AC mains outlet using the AC input cable, then plug the integrated DC connector into the laptop power jack. Ensure the laptop model supports 19.5V and up to 4.62A before use. When connected, the adapter will supply power and charge the battery; disconnect from mains and device when not in use.

Recommendations

Use only with compatible Dell laptops that accept 19.5V/4.62A. Avoid exposing the adapter to moisture, extreme heat, or physical damage. Replace the adapter if the cable or housing is damaged. For optimal safety, unplug from the mains during long periods of non-use.