Power adapter Dell 90W 19.5V 3.34A (compatible with Dell laptops) AC adapter 330-0876

Dell 90W AC adapter with 19.5V and 3.34A output is a replacement power supply designed to provide continuous power and recharge the battery of compatible Dell laptops. The adapter delivers stable DC voltage through a compact housing and a standard input for mains power. Built-in protection against overcurrent and overvoltage helps maintain safe operation while connected to notebooks in home, office or mobile environments.

Advantages

The adapter offers a 90 watt power rating suitable for a wide range of mainstream laptop models, supplying consistent voltage and current for everyday tasks. Its compact form factor and standard DC connector make it easy to carry and replace an original unit. Integrated protection circuitry reduces the risk of electrical faults and helps preserve laptop battery health during charging.

Suitable for

• Replacing a lost or damaged Dell laptop power adapter
• Providing a spare charger for travel or commuting
• Powering a laptop during extended office or home use
• Using as an emergency replacement in service or repair situations

Key specifications

• Output voltage: 19.5 V DC
• Output current: 3.34 A
• Maximum power: 90 W
• Input: standard AC mains input compatible with common regional outlets (requires appropriate mains cable)
• Connector type: standard barrel DC connector compatible with many Dell laptop models
• Protection features: overcurrent and overvoltage protection
• Form factor: compact rectangular adapter housing with attached cable

How to use

Connect the adapter to an appropriate mains power outlet using the compatible mains lead, then plug the DC connector securely into the laptop’s power input socket. Ensure the polarity and connector fit match your device before use. When connected, the adapter will provide power to the laptop and charge the battery as required. Unplug the mains lead when the adapter is not in use and allow the adapter to cool during extended operation.

Recommendations

Use the adapter in a well-ventilated area and avoid covering the adapter housing to prevent overheating. Verify compatibility with your laptop model and inspect cables regularly for wear; replace if damaged. For optimal battery life, follow the laptop manufacturer’s charging guidelines and disconnect the adapter once charging is complete if long-term storage is planned.