Ultrabay Slim Battery
Ultrabay Slim BatteryThis is a battery that slides into a supported Ultrabay Slim Features
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IBM Partnumbers
Order PN: 08K8190
Linux Support
Second battery is correctly detected by either the APM or ACPI subsystem
Supported with
NOT supported with
A note on capacity
The capacity of this battery is 1.5Ah. 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. However, it makes it possible to swap the system battery without the need to reboot, hibernate or use an external power adapter.