AC adapter HP 90W Smart 6DP21AV for HP laptops, 90 W power output, Smart pin connector

AC adapter HP 90W Smart 6DP21AV is a replacement power supply designed for compatible HP laptops. It delivers 90 W of stable DC power through HP’s Smart pin connector, enabling secure charging and communication between the adapter and the laptop for proper power negotiation and battery management. The adapter is intended to replace a worn or missing original charger and to provide reliable power during everyday office work, travel, and device maintenance.

Advantages

The adapter provides a consistent 90 W output tailored for laptops that require this power level, helping to maintain system performance under load. The Smart pin connector supports power negotiation and allows the laptop to monitor adapter status, which can improve charging accuracy and protect battery health. Its compact, OEM-style design simplifies replacement and ensures physical compatibility with matching HP power inputs.

Suitable for

• Charging compatible HP notebooks that require a 90 W adapter
• Use as a spare or replacement charger for home, office, or travel
• Powering laptop tasks that include office applications, web browsing, and light multimedia

Key specifications

• Output power: 90 W
• Connector type: HP Smart pin DC connector
• Function: AC-to-DC power conversion for notebook charging and operation
• Intended use: External laptop power supply for devices requiring 90 W

How to use

Connect the adapter to a compatible AC mains outlet using the supplied AC cord, then insert the Smart pin connector into the laptop’s power socket until it seats securely. Confirm that the laptop recognizes the adapter and begins charging; most systems will indicate charging status via an on-screen icon or LED. When not in use, disconnect from the laptop and mains by removing the DC connector first, then unplug the AC cord. Allow the adapter to cool between extended use periods and avoid covering it to ensure proper ventilation.

Recommendations

Use this adapter only with laptops that specify a 90 W external power supply and a compatible Smart pin input. Avoid using damaged cords or connectors. For stable operation, keep contacts clean and use a properly grounded mains outlet. If the laptop does not recognize the adapter or charging behavior is abnormal, consult device support or use an authorized service provider.