40Y7003 Lenovo X60/x60s/x61/x61s 8cell Hi Capacity Li-ion Battery 22++ - Not for X60 or X61 Tablet PC Notebooks
Up to 8 hours of battery life. Yes, you are reading that correctly. That's what you can get from the 8-cell high-capacity battery for your ThinkPad X60 series notebook. And just to add a cherry to the sundae, it will also fits in the X6 UltraBase Dock.