Power adapter Dell 180W Delta with 7.4 mm connector model 9NY2W

Dell 180W Delta power adapter with a 7.4 mm barrel connector is an AC/DC replacement adapter designed to supply up to 180 watts to compatible Dell laptops. It provides stable DC output for laptop operation and battery charging, supporting mobile work, office tasks and repair or service replacements. The adapter includes the main power brick and a detachable AC mains cable to connect to wall outlets, and uses a 7.4 mm round connector to mate with laptops that accept this plug size.

Advantages

The adapter delivers consistent power up to 180W to ensure reliable laptop operation under high load and during battery charging. Its 7.4 mm connector provides a secure physical and electrical fit with compatible Dell laptop power ports. The design is compact for its power class and suitable for carrying between locations or keeping as a spare for service and repair environments. Built-in safety features protect against overcurrent, overvoltage and short-circuit conditions to preserve both the adapter and the connected laptop.

Suitable for

• Charging and powering compatible Dell laptops that accept a 7.4 mm barrel connector
• Mobile work and business travel where higher power is required
• Office setups and docking stations requiring stable power delivery
• Service, repair and replacement in IT maintenance workflows

Key specifications

• Maximum output power: 180 W
• Connector type: 7.4 mm barrel DC plug
• Input: AC mains (standard voltage range for regional mains)
• Output: regulated DC suitable for compatible laptop models
• Form factor: external power brick with detachable AC cord
• Safety features: overcurrent, overvoltage and short-circuit protection

How to use

Connect the detachable AC mains cable to the adapter brick and plug it into an appropriate wall outlet. Insert the 7.4 mm barrel connector firmly into the laptop power input until it seats securely. Verify that the laptop indicates charging or receives power. For repeated use, allow adequate ventilation around the adapter during operation to dissipate heat. Disconnect the adapter from the laptop and mains before performing any maintenance on the laptop.

Recommendations

Use the adapter with laptops specified to accept a 7.4 mm connector and matching power requirements; using adapters with incorrect voltage or connector types can damage equipment. Keep the adapter and cables dry, avoid excessive bending of the cord near connectors, and replace damaged cables immediately. For best results, use the adapter in well-ventilated areas and avoid covering the power brick while in use.