The Lenovo ThinkPad Mobile Workstation 140W USB-C GaN Slim AC Adapter (4X21U28822) is a compa power adapter designed as a replacement or spare charger for compatible mobile workstations. It delivers 140 W of power through a USB-C connection and uses Gallium Nitride (GaN) technology to achieve a slim, space-conscious design. This UK version features a three-pin AC power connection and a 1.0 m power cable. Its compa profile makes it a practical charging accessory for users who need a dedicated adapter for a compatible Lenovo workstation at their desk or while travelling. Key Features 140 W Power Supply: Designed to deliver power to compatible mobile workstations through USB-C. GaN Technology: Gallium Nitride design enables a smaller and slimmer adapter profile. USB-C Power Connection: Designed for compatible workstation systems with a USB-C power input. UK Three-Pin AC Connection: UK variant with a three-pin AC adapter and line cord arrangement. 1.0 m Power Cable: Provides a practical cable length for everyday workstation charging. Technical Specifications Component Specification Lenovo Produ Name ThinkPad Mobile Workstation 140W USB-C GaN Slim AC Adapter-UK Part Number 4X21U28822 Produ Type AC Power Adapter Rated Power 140 W Device Connector USB-C Adapter Technology Gallium Nitride (GaN) AC Connection UK, 3-pin Power Cable Length 1.0 m Design Slim and Compa Compatibility & Important Information Workstation Compatibility: Designed for compatible Lenovo workstation systems that accept power through a USB-C connector. Power Requirements: A USB-C port alone does not establish 140 W charging compatibility. The connected workstation must support the adapter's required power delivery characteristics. UK Plug: This is the UK three-pin version; the AC plug must match the intended power outlet. Replacement or Spare Use: Lenovo positions this adapter as a replacement or additional charger for compatible PCs. Please to review Q: What is the power rating of the Lenovo 4X21U28822 adapter? A: It is rated at 140 W. Q: Which connector does the adapter use? A: It uses USB-C to deliver power to compatible mobile workstations. Q: Can it charge any laptop with a USB-C port? A: It is designed for compatible workstation systems with USB-C power input. The laptop's charging requirements must match the adapter's supported power delivery. Q: What does GaN mean? A: GaN stands for Gallium Nitride. Lenovo uses this technology to provide a slimmer, more compa adapter design. Q: Does this version use a UK plug? A: Yes. Part number 4X21U28822 is the UK version with a three-pin AC connection. Q: How long is the power cable? A: Lenovo specifies a 1.0 m power cable length. Q: Can this adapter be used as a spare charger? A: Yes. Lenovo describes it as a replacement or spare power adapter for compatible PCs.
