Lenovo 4X21K07722 power adapter/inverter Indoor 65 W Black

The Lenovo 4X21K07722 65W Indoor Black power adapter provides a compact and reliable power source for compatible Lenovo laptops. Designed for indoor use, it delivers up to 65 watts of power and supports an input voltage range of 100–240 V, allowing operation in a wide range of mains environments. The adapter’s small enclosure measures 108 mm x 46 mm x 29 mm and comes in a single-unit package in a black finish, making it convenient for travel and daily office use.

Advantages

The adapter combines a small physical footprint with a rated 65 W output, offering a balance of portability and sufficient power for many laptop models. Its universal input voltage range ensures stable operation across different countries and mains conditions. The black housing resists visible wear and integrates unobtrusively with typical laptop setups. As a single-pack unit, it is suitable for replacing a lost or damaged original charger or for keeping as a spare.

Suitable for

• Charging Lenovo laptops that require a 65 W power adapter
• Office workstations and home offices
• Business travel and commuting where a compact charger is needed
• Replacing an existing indoor power adapter

Key specifications

• Rated output power: 65 W
• Input voltage: 100–240 V AC
• Form factor: compact rectangular adapter
• Dimensions: 108 mm x 46 mm x 29 mm
• Colour: black
• Packaging: single unit

How to use

Connect the adapter to a compatible laptop power input according to the laptop manufacturer’s instructions, then plug the adapter into an appropriate mains outlet that supplies 100–240 V AC. Ensure the connector fits securely and that the adapter is placed on a stable, well-ventilated surface during use. Do not cover the adapter while it is operating and avoid exposing it to liquids or extreme temperatures. Unplug the adapter from the mains before disconnecting from the laptop if required by the device manual.

Recommendations

Use the adapter indoors on a flat, stable surface and avoid prolonged operation in confined, unventilated spaces. Verify compatibility with your laptop model and consult the laptop’s power specifications before use. If the adapter becomes unusually hot, emits odors, or shows signs of damage, discontinue use and replace the unit.