Power Adapter Lenovo 45N0240

The Lenovo 45N0240 power adapter is a compact indoor power supply designed for laptops. It delivers 90 W of output power and accepts a wide input voltage range of 100–240 V, making it suitable for use in different regions. The adapter has a black finish and a compact form factor that fits easily into laptop bags, providing a straightforward replacement or spare charger for compatible Lenovo systems.

Advantages

The adapter provides stable 90 W output for reliable charging and sustained laptop operation. Its wide-range AC input (100–240 V) supports use in multiple countries without additional voltage converters. The compact black housing reduces bulk and simplifies transport, and the unit is designed for indoor use to maintain consistent performance in home and office environments.

Suitable for

• Replacing a lost or damaged Lenovo laptop power adapter
• Keeping as a spare charger for home or office
• Use with Lenovo laptops that accept a 90 W external power supply
• Travel within regions that provide 100–240 V mains power

Key specifications

• Output power: 90 W
• Input voltage: 100–240 V AC
• Intended use: indoor laptop power adapter
• Colour: Black
• Form factor: compact external adapter

How to use

Connect the adapter to an appropriate AC outlet using the compatible power cord, then plug the adapter’s DC connector into the laptop’s power input. Ensure the mains supply matches the adapter’s input range (100–240 V). Avoid exposing the adapter to liquids or excessive heat and allow adequate ventilation during use. Disconnect the adapter from mains power before cleaning or when not in use for extended periods.

Recommendations

Use the adapter indoors in dry environments and avoid using extension cords or adapters that could overload the mains connection. For best performance, keep contact points clean and use the adapter with laptops that require or support a 90 W power supply.