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Black rectangular AC adapter with USB-Tip Carbon Touch connector

CPY

CPY 90W 20V 4.5A USB-TIP Carbon Touch AC Adapter

SKU CH-R92K-CZMHP

90 W 20 V 4.5 A AC adapter with USB‑Tip Carbon Touch connector for compatible Lenovo ThinkPad and IdeaPad models

  • Battery typeLithium-Ion
  • Power adapter voltage20 V
  • Power adapter current4.5 A
  • Power adapter wattage90 W
  • Main functionUL Certificated
  • Product colorBlack
  • Delivers 90W of power for demanding ThinkPad workloads
  • UL certified for safe, reliable charging every day
  • USB‑Tip Carbon Touch connector fits X1 Carbon and listed models
  • Wide 100‑240V input handles global mains voltages
  • Replaces 45N and 0B part numbers across ThinkPad and IdeaPad lines

90 W 20 V 4.5 A USB-TIP Carbon Touch Adapter

This 90 W AC adapter delivers 20 V at 4.5 A through a USB-TIP Carbon Touch connector. It is built for Lenovo ThinkPad and IdeaPad models including the X1 Carbon, T440, T450, X240, X250 and related series. The unit accepts 100-240 V input at 50-60 Hz and carries UL certification.

Sustained 90 W delivery with UL certification

The adapter maintains its full 90 W rating during continuous operation rather than only in short bursts. UL certification confirms that the design meets recognised safety requirements for prolonged use. The 100-240 V input range allows stable output across different mains supplies without derating.

20 V 4.5 A barrel-style USB-TIP interface

The proprietary USB-TIP Carbon Touch plug limits compatibility to devices that accept this exact 20 V 4.5 A barrel connection. Laptops requiring a different voltage, current or connector shape cannot use this adapter. Buyers needing higher wattage or a USB-C Power Delivery interface must select a different unit.

How it compares

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

Price $12.99
Cheaper than about 88% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameLenovo
Model nameLenovo, R400, R500, T510, T400, T61p, T500, Z60T, W701, R61, R60, T61, T60, X220, X61, X60, X201, T530, T420, T410, T520, T430, X230
Product colorBlack
Product typeAC Adapter
Power
Battery typeLithium-Ion
Power adapter voltage20 V
Power adapter current4.5 A
Power adapter wattage90 W
Size & build
Product weight8 oz
Compatibility
Compatible withFor Lenovo ThinkPad, For ThinkPad
More details
Main functionUL Certificated

Questions about this item

How much heat does the 90W 20V 4.5A adapter produce during continuous all-day use?

The adapter is UL certified for safety and operates on 100-240V input at 50-60Hz, meeting standard efficiency requirements for continuous operation with compatible ThinkPad models.

What must I already own for the USB-TIP Carbon Touch connector to work with my laptop?

You need a Lenovo ThinkPad or IdeaPad from the listed compatible models such as X1 Carbon, T440, T450, X240, X250, E440, E450, L440, L450, or Yoga series that accepts the USB-TIP Carbon Touch interface.

Will this 90W adapter charge my older ThinkPad T430 or X230 that originally used a 65W rectangular-tip charger?

No, the USB-TIP Carbon Touch connector is physically different from the rectangular tip used on T430, X230, T420, and X220 models, so it will not fit those older systems.

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