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Black rectangular AC adapter with yellow square USB connector tip and detachable power cable

myVolts

myVolts 90W 20V 4.5A USB AC Adapter

SKU CH-WWYM-0M7F8

A 90W 20V USB AC adapter compatible with numerous Lenovo ThinkPad and IdeaPad models including T440, T440S, L440, E470, X250, T560, T550, E560, E540, L560, L540, E450, N20P, X240 and X260

  • 90 W output powers demanding ThinkPad models
  • 20 V 4.5 A delivery matches original 90 W, 65 W and 45 W chargers
  • 100–240 V input works worldwide without a voltage converter
  • USB square tip fits compatible Lenovo Edge, Flex, Yoga and ThinkPad series
  • Package includes AC adapter, power cable and manual for immediate use

90W USB AC Adapter for Lenovo ThinkPad

This 90W USB AC adapter delivers 20V at 4.5A and accepts a 100-240V 50-60Hz input. It is built for Lenovo ThinkPad models including T440, T440S, L440, E470, X250, T560, T550, E560, E540, L560, L540, E450, N20P, X240, X260, Edge E440, E460, E431 and compatible IdeaPad and Yoga devices. The square yellow USB tip is a specific connector shape that must match the laptop port.

Included Power Cable and Manual

The package supplies one AC adapter, one AC power cable and one manual. The cable connects the adapter to a mains socket, while the manual provides basic usage guidance. No additional software, drivers or proprietary accessories are bundled. The adapter also supports lower-wattage 65W and 45W requirements for compatible 20V systems.

Verify Connector and Part Number Before Ordering

Confirm that the laptop uses the square yellow USB tip shown in the product images; other USB-C or barrel connectors will not fit. Cross-reference the laptop part number against the listed compatible P/N codes such as 45N0237, ADLX90NDC3A, PA-1900-72 or PA-1900-081. Buyers needing a different tip shape or a higher wattage rating should look for an alternative adapter.

Highlights

  • 90 W output powers demanding ThinkPad models
  • 20 V 4.5 A delivery matches original 90 W, 65 W and 45 W chargers
  • 100–240 V input works worldwide without a voltage converter
  • USB square tip fits compatible Lenovo Edge, Flex, Yoga and ThinkPad series
  • Package includes AC adapter, power cable and manual for immediate use

Specifications

No published specifications for this item yet.

Questions about this item

Will the USB square tip connector wear out and need replacement?

The adapter uses a USB square tip connector; if the tip becomes loose or damaged it can be replaced separately without changing the whole unit.

What limits continuous 90W output during all-day use?

The adapter is rated for 90W at 20V 4.5A; sustained loads at that level are limited by its internal thermal design and the 100-240V 1.8A input capacity.

How much heat and fan noise does the adapter produce when running 24/7?

The unit has no fan; it relies on passive cooling, so it generates warmth but no audible noise during continuous operation.

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