AC Adapter for Lenovo ThinkPad 90W 20V 4.5A PA-1900-54I 42T4428 42T4429

Availability: In stock


Lead Time: 1~2 days (for retail orders)

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Quick Overview

Brand new original AC Adapter for Lenovo ThinkPad 90W 20V 4.5A. Model: PA-1900-54I. P/N: 42T4428. FRU: 42T4429

PA-1900-54I 42T4428 42T4429

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AC Adapter for Lenovo ThinkPad 90W 20V 4.5A

Brand new original AC Adapter for Lenovo ThinkPad 90W 20V 4.5A

Model: PA-1900-54I

Part Number:42T4428

FRU: 42T4429

Input: 10-240V AC 2.4A 50-60HZ

Output: 20V DC 4.5A

Compatible Model

  • for ThinkPad Edge
  • for ThinkPad L410, L412, L420, L421, L510, L512, L520
  • for ThinkPad R60, R60e
  • for ThinkPad R61, R61e, R61i
  • for ThinkPad R400, R500
  • for ThinkPad SL300, SL400, SL410, SL500, SL510
  • for ThinkPad T60, T60p
  • for ThinkPad T61
  • for ThinkPad T400, T410, T410i, T400s, T410s, T410si, T420, T420s, T500, T510, T510i
  • for ThinkPad T520 (Dual Core models only )
  • for ThinkPad W500
  • for ThinkPad X60, X60s, X60 Tablet
  • for ThinkPad X61, X61s, X61 Tablet, X61LS
  • for ThinkPad X100e, X120e
  • for ThinkPad X200, X200s, X200t, X200 Tablet, X201, X201i, X201s, X201t, X201 Tablet, X220, X220 Tablet
  • for ThinkPad X300, X301
  • for ThinkPad Z60m
  • for ThinkPad Z61e, Z61m, Z61t
  • for Lenovo 3000 C100, or C200
  • for Lenovo 3000 N100, or N200
  • for Lenovo 3000 V100, or V200
  • for ThinkPad Advanced Mini Dock
  • for ThinkPad Essential Port Replicator
  • for ThinkPad Port Replicator Series 3
  • for ThinkPad Mini Dock Series 3 - 90W
  • for ThinkPad Mini Dock Plus Series 3 - 90W
  • for ThinkPad Ultrabase Series 3
  • for ThinkPad X200 Ultrabase
  • for ThinkPad External Battery Charger
  • for ThinkPad Battery 19+ (6 cell Slim External)


  • for ThinkPad 90W AC Adapter
  • AC Power cord (varies by country)

Additional Information

Manufacturer Lenovo
Manufacturer Part Number 42T4429
Model Number 42T4428