Lenovo 45N0300 power adapter/inverter Indoor 45 W Black

The Lenovo 45N0300 Indoor 45W Black power adapter provides a compact, indoor power solution for Lenovo laptops requiring up to 45 watts. Designed to accept a wide input range of 100–240 V, this adapter supports international mains voltages and converts them into stable DC output for laptop operation and battery charging. Its lightweight housing and black finish make it suitable for everyday transport between home, office, and travel when used indoors.

Advantages

The adapter delivers a steady 45 W output to maintain laptop performance and support charging under typical workloads. Its universal input voltage range ensures compatibility with various mains supplies without requiring a voltage converter. The compact form factor and reduced weight simplify portability, while the black exterior resists visible dirt and integrates with most laptop styles. Built-in protection features provide safeguarding against common electrical faults such as overcurrent and short circuits, helping to extend the life of the connected device.

Suitable for

• Charging and powering Lenovo laptops and compatible notebook models with up to 45 W power requirements
• Indoor use in homes, offices, classrooms and hotel rooms
• Replacing a lost or damaged original power adapter that matches the same output specifications
• Carrying as a lightweight spare adapter for travel (use with local mains)

Key specifications

• Power output: 45 W
• Input voltage range: 100–240 V AC
• Intended use: indoor mains power for portable computers
• Colour: black
• Form factor: compact, lightweight external adapter
• Protection: built-in electrical protection against common faults

How to use

Connect the adapter to a compatible Lenovo laptop power input and plug the mains lead into a suitable 100–240 V outlet. Ensure the connector fits securely into the laptop power socket and that the mains outlet provides stable power. Use the adapter only indoors and avoid exposing it to moisture or extreme temperatures. Disconnect the adapter from the mains and the laptop before moving the device or when not in use for extended periods.

Recommendations

For reliable operation, match the adapter’s 45 W output to the laptop’s required power specification and use the original or a compatible connector type. Keep ventilation around the adapter free from obstructions during use and avoid coiling the cable tightly to reduce wear. If the adapter becomes unusually hot, emits smells, or shows visible damage, stop using it and replace it with a verified compatible unit.