Battery Firmware Upgrade for Windows 8 (32-bit, 64-bit), Windows 7 (32-bit, 64-bit) – Notebook

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• May 23, 2013

Lenovo Hotfix for Battery

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• Aug 3, 2009

Battery MaxiMiser and Power Management features for Windows – ThinkPad General

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• Apr 22, 2005

NiMH battery conditioning tool – ThinkPad 390/E/X

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• Jun 1, 2000