Power adapter Lenovo 45W W125692543 — AC adapter for compatible Lenovo notebooks, 45W output

The Lenovo 45W W125692543 power adapter is an AC adapter designed for compatible Lenovo notebooks. It delivers 45 watts of stable output power for charging and operating laptops, providing a direct replacement for worn or lost adapters or serving as a spare for travel and office use. The adapter supports simultaneous charging and device operation, helping maintain battery level while running typical productivity tasks.

Advantages

This 45W Lenovo adapter offers a compact form factor and steady power delivery suitable for everyday notebook use. Its matched output ensures thermal and voltage characteristics aligned with compatible Lenovo models, reducing the risk of power-related interruptions. The adapter is built for portability, with a lightweight design that facilitates storage in laptop bags and convenient use in multiple locations such as home, office, or while traveling.

Suitable for

• Charging compatible Lenovo laptops and powering them during use
• Replacing an original or lost adapter
• Keeping as a spare unit for travel or shared workspaces
• Use with lightweight productivity tasks like web browsing, document editing and video calls

Key specifications

• Output power: 45 W
• Input: AC mains (region-dependent voltage and frequency compatibility)
• Output connector: compatible Lenovo notebook DC plug (model-dependent)
• Design: compact, portable external AC adapter
• Intended use: charging and powering compatible laptops

How to use

Connect the adapter to an appropriate AC mains outlet using the supplied power cord or a compatible cable. Plug the DC connector into the notebook’s power socket until it seats firmly. Verify the notebook indicates charging or external power mode. If the device does not charge, check connector orientation, outlet power, and any indicator lights on the adapter and notebook. Unplug the adapter from the AC outlet before disconnecting the DC connector when powering off.

Recommendations

Use the adapter in environments within the notebook manufacturer’s specified temperature and humidity ranges. Avoid exposing the adapter to liquids or placing heavy objects on the cable. For reliable performance, connect to a properly grounded outlet and inspect the cable and connectors periodically for wear. If charging issues persist, consult the notebook’s power management settings or service documentation.