AC Adapter Dell 45W 19.5V (Dell MPN 2N7CD) for compatible laptops

Dell AC adapter 45W 19.5V is a compact mains power supply designed to provide stable, regulated power to compatible Dell laptops and portable devices. Delivering 45 watts at 19.5 volts, the adapter charges the battery and powers the system during operation. Its small form factor and universal AC input make it suitable for use at home, in the office, or while traveling. The adapter includes integrated protection features to maintain safe charging and reliable performance under normal operating conditions.

Advantages

This 45W 19.5V adapter provides consistent voltage and power suitable for a wide range of compatible Dell notebooks, offering reliable charging and continued system operation under load. The compact design reduces bulk in a laptop bag and is easy to stow for travel. Built-in safety measures such as overcurrent, overvoltage and short-circuit protection contribute to device safety and help preserve battery health. The adapter's standard connector and regulated output simplify replacement of original power supplies with matching electrical characteristics.

Suitable for

• Charging and powering compatible Dell laptops that require 45W, 19.5V input
• Replacing lost or damaged original Dell AC adapters with the same electrical specifications
• Portable use during travel, remote work, or meetings outside the office
• Desktop or home office setups where a compact, regulated power supply is preferred

Key specifications

• Output power: 45 W
• Output voltage: 19.5 V
• Output current: approximately 2.31 A
• Input: AC mains, wide-range input for international voltages
• Connector type: standard Dell barrel-style DC plug (compatible with matching models)
• Protections: overcurrent, overvoltage, short-circuit protection
• Form factor: compact inline adapter with detachable or fixed AC cable depending on region

How to use

Plug the adapter into an appropriate AC mains outlet using the supplied AC cable or a compatible cable rated for your region. Connect the DC output plug securely to the laptop's power input jack. When connected, the adapter supplies power to the system and charges the battery; indicator LEDs on the laptop or adapter (if present) will show charging status. Disconnect the adapter by unplugging the DC connector first, then removing the AC cable from the mains. Allow the adapter to cool in a ventilated area during extended use to maintain optimal performance.

Usage recommendations

Use the adapter only with devices that match the output voltage and power requirements. Avoid using damaged cables or connectors, and keep the adapter away from liquids and excessive heat. For best results, use in well-ventilated areas and replace the adapter if you notice unusual noises, heat, or intermittent charging.