Power adapter Dell 90W 19.5V (3-pin) model 492-BBGH for laptops

The Dell 90W 19.5V power adapter with a 3-pin connector (model 492-BBGH) is an AC adapter engineered to deliver stable power to compatible Dell laptops. It converts mains electricity to a regulated 19.5V DC output and is intended for use as a replacement or spare adapter for home, office, or travel. The adapter includes built-in protections for overcurrent and short circuit, meeting typical safety expectations for laptop power supplies.

Advantages

This 90W Dell adapter provides consistent voltage and sufficient wattage to support charging and operation of a range of Dell notebook models. Its three-pin AC connection ensures a secure mains connection while the compact external brick and cable assembly facilitate portability. Integrated protection circuitry reduces the risk of damage caused by overcurrent or short circuits and supports reliable daily use.

Suitable for

• Replacing a lost or damaged Dell laptop charger
• Keeping as a spare charger for home, office, or travel
• Powering Dell laptops that accept a 19.5V, 90W external adapter
• Using with docking stations or mobile work setups that require external power

Key specifications

• Output voltage: 19.5 V DC
• Output power: 90 W
• Connector type: 3-pin AC input to laptop DC plug
• Protection features: overcurrent protection, short-circuit protection
• Form factor: external inline power brick with attached cables

How to use

Connect the adapter's AC plug into a compatible mains outlet and attach the DC plug to the laptop's power input jack. Ensure the connection is firm and the indicator (if present) shows power. Use the adapter on a stable, ventilated surface and avoid blocking airflow around the power brick during extended use. Disconnect from mains when not in use for extended periods or before moving the laptop.

Recommendations

Use this adapter only with devices that accept 19.5V input and appropriate wattage. Verify compatibility with your laptop model before use. Avoid exposing the adapter to moisture, excessive heat, or physical damage. If the adapter becomes unusually hot, produces noise, or emits a smell, unplug it immediately and discontinue use.