Lenovo 4X21U28840 180W Laptop Charger

180 W W · Barrel · Lenovo

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Wattage 180 W
Connector Barrel
Works with Lenovo

Lenovo 4X21U28840 180W Laptop Charger is a 180 W laptop charger with a Barrel plug for Lenovo laptops. Use the same or a higher wattage than the charger that came with your laptop. It came out in 2026.

Released: 2026-01-25

Specifications

Key specs

Wattage: 180 W
Connector: Barrel
Works with: Lenovo
Released: 2026-01-25
Part number: 4X21U28840
EAN / UPC: 0195892134244

Features

Purpose: Laptop
Power supply type: Indoor
Input voltage: 100 - 240 V
Input frequency: 50 - 60 Hz
Output power: 180 W
Output voltage: 36 V
Output current: 5 A
Brand compatibility: Lenovo
Compatibility: ThinkPad

Design

Product colour: Black

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Operational conditions

Operating temperature (T-T): 0 - 40 °C
Operating relative humidity (H-H): 8 - 80%

Weight & dimensions

Cable length: 1 m
Width: 147.5 mm
Depth: 69 mm
Height: 22 mm
Weight: 510 g

Check the manufacturer's page before buying.

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About this product

The ThinkPad Mobile Workstation 180W USB-C GaN Slim AC Adapter is the new powerful GaN adapter with slim and compact design. It is your perfect replacement or spare power adapter for your PCs and provides excellent charging speed.