We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black rectangular AC adapter with 7.9mm by 5.5mm barrel connector and detachable power cord

E-buy

E-buy 90W 20V 4.5A AC Adapter 7.9mm*5.5mm

SKU CH-K1JM-5GR56

A 90W 20V 4.5A AC adapter with a 7.9mm by 5.5mm connector, supplied with a power cord for Lenovo laptops

  • Power adapter voltage20 V
  • Power adapter current4.5A
  • Power adapter wattage90 W
  • 90W output powers demanding Lenovo laptops reliably
  • 20V 4.5A delivery matches original charger specifications
  • 9mm x 5.5mm connector fits listed ThinkPad models
  • 100-240V 50-60Hz input works worldwide with included cord
  • Replaces 92P1105 92P1106 92P1109 and other Lenovo part numbers

90W 20V AC Adapter for Lenovo

This 90-watt power supply delivers 20 volts at 4.5 amps to compatible Lenovo laptops. It replaces a wide range of original part numbers including 40Y7666 through 40Y7672 and 92P1105 among others. The unit ships new with a 24-month warranty.

7.9mm barrel connector with regional cord

The adapter terminates in a 7.9mm by 5.5mm barrel plug that fits the designated Lenovo models. A detachable AC cord with a US, UK, EU or AU plug is included so the charger works with local mains sockets. Input accepts 100 to 240 volts at 50 to 60 hertz for worldwide voltage compatibility.

Replaces lost or faulty 90W chargers

This unit restores full charging capability when the original adapter is lost, damaged or no longer holds output. It matches the 90W, 20V, 4.5A specification of the listed Lenovo part numbers. Buyers needing a higher wattage rating or a different connector size should verify their laptop's requirements before purchasing.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 74% of the 27,790 comparable items (median $30.99).

Specifications

Power
Power adapter voltage20 V
Power adapter current4.5A
Power adapter wattage90 W

Questions about this item

Does the 90 W output stay steady when the adapter runs hot?

The unit delivers 20 V at 4.5 A for a rated 90 W output; no thermal-throttle figure is published.

How loud or warm does the brick get after hours of use?

No acoustic or surface-temperature data is supplied for continuous operation.

My laptop only has a 7.9 mm × 5.5 mm barrel port — will this tip fit?

Yes, the connector is specified as 7.9 mm by 5.5 mm and the cord matches your region.

More in Laptop Chargers & Batteries

Similar items