Fonte de alimentação Lenovo 45N0290 interior 45 W preto

The Lenovo 45N0290 power adapter provides a 45W DC output in a compact black housing for charging compatible Lenovo laptops. Designed for indoor use, it converts AC mains power at standard frequencies to a stable supply suitable for everyday computing and mobile work. The adapter's form factor and cable configuration make it convenient for desk and travel use when paired with matching laptop models.

Advantages

This Lenovo power adapter delivers a consistent 45W output that supports battery charging and system operation simultaneously. Its compact black enclosure reduces desk clutter and is easy to store in a laptop bag. Built to operate on common mains frequencies, the adapter offers reliable voltage conversion and basic protection features typical for purpose-built laptop power supplies.

Suitable for

• Charging compatible Lenovo laptops requiring a 45W power source
• Use at home, office desks, and indoor environments
• Replacing an original or spare adapter for travel and daily use

Key specifications

• Output power: 45W
• Input frequency: 50/60 Hz
• Colour: Black
• Intended use: Indoor laptop power supply

How to use

Connect the adapter to an appropriate AC mains outlet and plug the DC connector into the laptop's power input. Ensure the mains voltage and socket type match local standards before connecting. When connected correctly, the adapter will provide power to the laptop and charge the battery as needed. Unplug the adapter from the mains when not in use or during extended storage.

Recommendations

Use the adapter in dry, ventilated indoor locations and avoid exposure to moisture, extreme temperatures, or physical damage. If the laptop or adapter shows signs of overheating, unusual noise, or smell, disconnect immediately and have the equipment inspected. Match the adapter's output characteristics to the laptop requirements to ensure compatibility.