X60 Series Extended Life Battery

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X60 Series Extended Life Battery

This is a battery pack that attaches to the docking port of a supported model1.


  • Battery specification: 1.95Ah, 14.4V, 28.08Wh
  • Battery cell count: Four, 3.7V lithium-ion polymer pouch cell
  • Battery run time: up to 2.5 hours
  • Battery charge time: up to 4 hours
  • Weight: 370 grams or 0.82 pounds

  1. Additionally requires the battery spacer (FRU: 92P1227/42W3050) to be installed on tablet variants, otherwise the system will be sitting down awkwardly with 1 less rubber foot.

X60 slice battery pack.jpg

Part numbers

  • 42T4639, 40Y7904, 40Y7903, 40Y7005

Models supporting this accessory