Ultrabay Slim Battery II

ThinkPad Advanced Ultrabay Battery This is a battery that slides into a supported Ultrabay Slim or Ultrabay Enhanced slot Features 10.8V Lithium-Ion Capacity: 2.7Ah Weight: 235g (0.52 lbs) Up to 8.5 hours of battery life on select systems in combination with main battery

IBM Partnumbers

• Order PN: 40Y6789
• FRU PN: 40Y6790

Linux Support

Second battery is correctly detected by either the APM or ACPI subsystem. Battery charging control and extended status are provided by the tp_smapi module.

Supported with

• ThinkPad Z60t, Z60m

Charging and discharging

See How to use UltraBay batteries.