Power adapter Dell 90W 19.5V for compatible laptops, model WJRKM

Dell 90W 19.5V power adapter model WJRKM is an OEM-compatible AC adapter designed to provide stable DC power for compatible laptops. The adapter delivers 90 watts at 19.5 volts and comes with an AC input cable and a standard barrel connector for charging and operation. It is intended as a replacement or spare unit suitable for everyday use, travel, and office environments where a reliable power source is required.

Advantages

The adapter offers a consistent 90W power output and regulated 19.5V output for stable charging and laptop operation. Its design includes a compact brick and a standard barrel plug that fit many laptop models that accept this connector type. The included AC input cable simplifies setup and makes the unit ready to use out of the box. As an OEM-compatible product, it provides functionality comparable to original adapters while serving as a cost-effective spare or replacement.

Suitable for

• Replacing a lost or damaged laptop power adapter
• Carrying as a travel spare for business trips or commuting
• Providing a secondary power unit for home office or shared workstations
• Using with compatible laptops that require 19.5V and accept a standard barrel connector

Key specifications

• Output power: 90W
• Output voltage: 19.5V DC
• Connector: standard barrel plug (compatible with laptops using this connector type)
• Input: AC mains via removable input cable
• Form factor: external AC adapter (power brick) with attached DC cable

How to use

Connect the AC input cable to the adapter and plug it into a suitable mains outlet. Insert the barrel connector into the laptop's power socket ensuring a secure connection. The adapter will supply power and charge the laptop battery while the device is powered. Disconnect the adapter by removing the barrel connector first and then unplugging the AC cable from the mains. Use the adapter on a flat, stable surface and avoid covering the adapter brick during operation to prevent overheating.

Recommendations

Use only with laptops that accept 19.5V input and a matching barrel connector. Verify polarity and connector compatibility before use. Avoid exposing the adapter to moisture, extreme temperatures, or prolonged direct sunlight. For prolonged storage disconnect from mains and store in a dry place. If the adapter becomes hot to the touch, produces unusual odors, or shows physical damage, discontinue use and replace it.