- The 4 Cell Slim Line Battery conforms to the exact shape (footprint) of Thinkpad X60 Series notebooks. The 4 Cell Enhanced Capacity Battery provides longer computing time than the Slim Line Battery, but is larger and extends beyond the rear of the notebook
- Provides up to 3.55 hours battery life
- Designed so ThinkPad X60 Series systems still fit in the ThinkPad X6 UltraBase
- Backed by a Limited Warranty from Lenovo with renowned Service and Support available from IBM