AC adapter Dell 65W 19.5V 3.34A for compatible Dell laptops (MPN 378-3853)

Dell 65W AC adapter delivers 19.5V at 3.34A in a compact external power supply designed for compatible Dell laptops. The adapter supplies steady power for everyday laptop use, supports charging while the laptop is in operation, and is intended as a direct replacement for compatible Dell models using the same voltage and connector type. Its standard barrel connector and lightweight design make it convenient for home, office, or travel use.

Advantages

The adapter provides a consistent 65W output that ensures stable operation of compatible laptops and helps maintain battery charge during use. Its compact external housing reduces bulk in laptop bags and its standard barrel connector is widely compatible with Dell systems using the same power requirements. Built-in basic protection measures guard against common electrical issues such as short circuits and overcurrent, supporting safe everyday operation.

Suitable for

• Replacing a lost or damaged Dell laptop adapter with matching voltage and amperage
• Powering compatible Dell laptops at home or in the office
• Portable charger to carry while traveling or commuting
• Use as a spare adapter for multi-location workflows (office, home, travel)

Key specifications

• Output power: 65W
• Output voltage: 19.5V
• Output current: 3.34A
• Connector type: standard barrel connector
• Form factor: external AC adapter (wall plug to laptop cable)
• Typical protection: short-circuit and overcurrent protection

How to use

Connect the adapter to an appropriate mains outlet using the supplied mains lead, then insert the barrel connector into the laptop power input until it fits securely. Ensure the laptop is switched off or in a low-power state when first connecting if recommended by the laptop manufacturer. The adapter will supply power and charge the laptop battery while connected; unplug the adapter by disconnecting the barrel connector first and then removing the mains lead from the wall outlet if you need to store or transport the unit.

Recommendations

Use this adapter only with compatible Dell laptops that specify 19.5V and 3.34A (65W) power; using an adapter with incorrect voltage or connector type can damage the device. Keep the adapter in a well-ventilated space during operation and avoid covering it. Inspect the cable and connector regularly for wear and replace the adapter if any damage is found.