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Black rectangular power brick with rounded corners and integrated cable

Graviton

Graviton 20V 4.5A 90W AC Adapter Charger

SKU CH-1DWR-JD6QG

A 90 W replacement charger for Lenovo ThinkPad E420, E430, T420, T430, T60, T61, T60p, Z60T and F25 models

  • Powers compatible Lenovo ThinkPad models reliably
  • Delivers 20 V at 4.5 A for 90 W output
  • Replaces original charger for multiple T, E and Z series
  • Brand-new Graviton unit ready for immediate use

Replacement AC Adapter for ThinkPad E420 E430 T420

This 20V 4.5A 90W power supply replaces the original charger for Lenovo ThinkPad models including E420, E430, T420, T430, T60, T61, T60p, Z60T and F25. It delivers the exact voltage and current required by those notebooks. The unit is new and ready for immediate use as a direct replacement.

Compatible connector restores full charging function

The bundled connector fits the listed ThinkPad models without modification, restoring full charging capability and power delivery. No additional cables or software are included or required. Buyers needing a charger for other laptop brands or higher-wattage models should look elsewhere.

Highlights

  • Powers compatible Lenovo ThinkPad models reliably
  • Delivers 20 V at 4.5 A for 90 W output
  • Replaces original charger for multiple T, E and Z series
  • Brand-new Graviton unit ready for immediate use

Specifications

No published specifications for this item yet.

Questions about this item

Does the 90W 20V 4.5A adapter need its detachable mains cable replaced periodically?

The detachable mains cable can be swapped if the plug or insulation wears out; the fixed low-voltage lead and barrel tip are built into the brick and are not user-replaceable.

What is the first limit reached when the charger runs at full 90W load continuously?

Thermal protection will trip first if the unit overheats, causing it to shut down until it cools; the 20V 4.5A output rating itself is the electrical ceiling.

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