AC adapter Lenovo 45W USB-C W125671354 — 45 W USB‑C power supply for compatible laptops and devices

Lenovo 45W USB-C AC adapter (45 W USB‑C power supply for compatible laptops and devices) is a compact, single-output charger that delivers up to 45 watts of power through a USB-C connector. The adapter is designed to provide stable charging and power delivery for compatible Lenovo laptops and a wide range of USB-C devices, supporting everyday use at home, in the office, or on the road. Its small size and USB-C interface make it suitable as a replacement or spare charger for users who need consistent power for work and travel.

Advantages

The adapter provides up to 45 W of output in a lightweight enclosure, enabling reliable charging without excessive bulk. USB-C compatibility ensures a reversible connector and broad device support. Built-in protection against overcurrent, overvoltage and short circuits helps maintain safe operation. Its compact form factor and integrated cable management reduce carry space for commuters and frequent travelers.

Suitable for

• Charging compatible Lenovo laptops and ultrabooks that accept 45 W USB‑C input
• Powering small USB-C notebooks and tablets during work or study
• Replacing a lost, damaged or secondary charger for travel
• Maintaining battery level while running office productivity tasks

Key specifications

• Maximum output power: 45 W
• Output connector: USB‑C
• Input voltage range: designed for standard mains voltage (country-dependent)
• Form factor: compact wall-mounted adapter with attached cable or detachable cable option depending on regional variant
• Protection features: overcurrent, overvoltage and short-circuit protection

How to use

Connect the adapter to a compatible mains outlet and plug the USB‑C connector into the device’s USB‑C power input. Ensure the device supports USB‑C charging and is rated to accept up to 45 W; the device and adapter negotiate appropriate power levels automatically. When not in use, unplug the adapter from the mains and store it in a dry location. For travel, use the appropriate plug adapter or region-specific cable variant supplied with the unit.

Recommendations

Use this adapter with devices that support USB‑C power delivery and are compatible with a 45 W supply. Avoid using extension cords or adapters that may degrade performance, and keep the adapter ventilated during extended charging sessions. If the device draws less than 45 W, normal operation is expected; if the device requires more than 45 W, charging may be slower or device performance may be limited when under heavy load.