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Black rectangular AC adapter with 7.9 by 5.5 mm barrel connector

myVolts

myVolts 90W AC Adapter 20V 4.5A 7.9×5.5mm

SKU CH-BHVN-8FWYB

90 W AC adapter delivering 20 V at 4.5 A through a 7.9 × 5.5 mm connector for compatible Lenovo ThinkPad models

  • 90W output powers demanding ThinkPad workloads
  • 20V 4.5A delivery matches original charger specifications
  • 9×5.5mm barrel connector fits listed Lenovo models
  • 100–240V input enables worldwide operation
  • CE certified for safety compliance

90W AC Adapter for Lenovo ThinkPad

The myVolts 90W AC adapter delivers 20V at 4.5A through a 7.9×5.5mm connector. It accepts a 100-240V input range for worldwide use. The unit is compatible with a wide range of ThinkPad T, X, L and Edge series laptops. It replaces lost or damaged original chargers for these models.

Replaces 90W Slim-Tip Power Supplies

This adapter matches the output of Lenovo part numbers such as 40Y7696, 42T4419 and 92P1157. The jump is worth it when the original unit fails, the cable frays or the connector loosens. It restores full charging speed without needing a higher-wattage brick. The slim-tip connector fits the same port used by the listed ThinkPad models.

For ThinkPad Owners Needing a Direct Replacement

Buyers with a compatible ThinkPad from the T, X, L or Edge families listed in the specifications will find a direct fit. Those whose laptops require a different connector size, a USB-C power input or a higher wattage rating should look at something else. The adapter is not suitable for models outside the provided compatibility lists.

How it compares

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

Price $25.99
Cheaper than about 60% of the 27,790 comparable items (median $30.99).

Specifications

No published specifications for this item yet.

Questions about this item

Will the 7.9 mm × 5.5 mm barrel connector fit my ThinkPad T420 charging port?

Yes, the connector matches the 7.9 mm outer and 5.5 mm inner diameter used on ThinkPad T420 and many other T-series models listed.

What is the common mistake when plugging this adapter into the laptop?

Users often insert the barrel at an angle instead of straight on, which can bend the centre pin and prevent charging.

How do I know when the adapter itself needs replacing?

If the output drops below 20 V 4.5 A, the cable frays near the barrel, or the unit becomes unusually hot during normal use, replace it.

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