AC adapter Dell W125709155 45W USB Type-C power supply for laptops and compatible devices

Dell AC adapter W125709155 is a 45W USB Type-C power supply designed to provide stable power and charging for Dell laptops and other compatible USB-C devices. The compact wall-plug design reduces bulk when travelling and fits most power outlets, while the USB Type-C connector supports a single-cable solution for both charging and powering portable devices. This adapter is intended as a replacement or spare unit for everyday charging needs at home, office or on the go.

Advantages

The adapter delivers a consistent 45-watt output appropriate for many mainstream laptops and ultrabooks that accept USB Type-C power input, ensuring reliable charging and power delivery during use. Its compact form factor and lightweight construction make it easy to carry in a bag or laptop case. The integrated USB Type-C connection simplifies compatibility with modern devices and reduces cable clutter.

Suitable for

• Charging compatible Dell laptops and ultrabooks that support USB-C power delivery
• Powering tablets and smartphones that accept USB-C charging at lower wattages
• Use as a replacement or spare adapter for travel, office, or home
• Charging peripherals or accessories that can draw power from a 45W USB-C supply

Key specifications

• Output power: 45 W
• Connector type: USB Type-C
• Input voltage: suitable for standard AC mains (region-dependent)
• Form factor: compact wall-plug adapter
• Compatibility: devices supporting USB-C power delivery

How to use

Plug the adapter into a compatible AC outlet, then connect the USB Type-C cable to the device’s USB-C power input. Ensure the device supports USB-C charging and that the connector is fully inserted. The adapter will provide up to 45W of power; device charging speed depends on the device’s power management and battery condition. Disconnect the adapter when charging is complete or when the device is not in use.

Recommendations

Use the adapter with devices that explicitly support USB Type-C power delivery and match or accept 45W input. Avoid using with devices that require higher wattage than 45W. To maintain reliable operation, keep the adapter vents unobstructed, avoid exposure to liquids, and use in ambient temperature ranges recommended by the device manufacturer.