Ultrabay Slim Battery

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Ultrabay Slim Battery (08K8190)

This is a battery pack that slides into an Ultrabay Slim or Enhanced with power interfacing pins.


  • Battery specification: 1.5Ah or 2.2Ah, 10.8V, 16.20Wh or 23.76Wh
  • Battery cell count: Three, 3.6V lithium-ion polymer prismatic cell
  • Battery run time: up to 2 hours
  • Battery charge time: up to 4 hours
  • Weight: 280 grams or 0.62 pounds

  1. This battery pack cannot be used in T6x/X6x/R6x/Z6x models as they have a different battery pin layout.

Ultrabay Slim Battery

Part numbers

Sanyo - 2.2Ah, 10.8V, 23.76Wh

  • 41A4118 (41A4117)

Sanyo - 1.5Ah, 10.8V, 16.20Wh

  • 08K8191 (08K8189)

Usage and Linux support

See How to use Ultrabay batteries.

Models supporting this accessory