Ultrabay Slim Battery
Ultrabay Slim BatteryThis is a battery that slides into a supported Ultrabay Slim. Features
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Part numbers
- PN (Order/FRU): (08K8190 / 08K8191), (08K8190 / 08K8189), (41A4118 / 41A4117)
Usage and Linux support
See How to use Ultrabay batteries.
Supported with
- Thinkpad UltraBase_X4
NOT supported with
- ThinkPad X4 Dock
- T60 series, use the Advanced Ultrabay Battery instead
A note on capacity
The capacity of this battery is 1.5Ah or 2.2Ah. For comparison, in the ThinkPad T40 series, the 6-cell system battery has a capacity of 4.8Ah and the 9-cell system battery holds 7.2Ah. Thus, the Ultrabay battery provides only a small improvement in total charge capacity.