Lenovo 4X21R04800 65W Power Adapter Black

Lenovo 4X21R04800 | 65W Indoor Power Adapter

The Lenovo 4X21R04800 power adapter/inverter Indoor 65 W Black is a dedicated power solution for compatible Lenovo laptops. It delivers a stable 65 W output to keep your device running. This unit is designed for indoor use, making it a reliable choice for office or home setups. Because it operates on a wide voltage range, it suits various environments.

Technical Efficiency and Design

This adapter converts AC power to the DC required by your laptop. It provides an output of 20 V at 3.25 A. The design prioritises consistent performance for your hardware. Its compact form factor helps keep your workspace tidy. In practice, this means less clutter and reliable power delivery.

Lenovo 4X21R04800 power adapter/inverter Indoor 65 W Black Compatibility

This power adapter supports a wide range of international standards. The input voltage is 100–240 V, and the input frequency is 50/60 Hz. It lists compatibility with CB, CCC, CE, UL, and other certifications. Because compliance can vary by region, we advise verifying UKCA or CE marking for your specific unit. Always confirm the physical plug type suits your UK socket.

Specifications

Portable Form Factor

The adapter weighs only 200 g, making it easy to carry. Its dimensions are 75.7 mm wide, 48 mm deep, and 22 mm high. The 1 m cable length offers flexibility for desk placement. So, it fits well in a laptop bag without adding bulk. This is ideal for users who need power on the move.

Indoor Use and Environmental Limits

This unit is rated for indoor power supply only. It operates in temperatures from 0 °C to 40 °C. The relative humidity range is 8% to 80%. Because of these limits, it is not suited for extreme conditions. Always use it in a well-ventilated area.

What is in the box

• 1 x Lenovo 4X21R04800 65 W power adapter (black)
• 1 x Power cable (length not specified in input; verify with retailer)

Check before you buy

• Confirm the physical plug type is a UK 3-pin plug for your socket.
• Verify your laptop requires 20 V DC input at 3.25 A.
• Check if your laptop uses a compatible DC jack or USB-C for power.
• Ensure the warranty region covers the UK.

Questions and answers

Our verdict

This adapter is suitable for Lenovo laptop users needing a reliable 65 W indoor power supply. It is ideal for those who value portability and consistent output. Covered by the applicable manufacturer warranty.