The CPSC has announced the recall of 100,000 ThinkPad extended life batteries. "If the battery in the laptop is struck forcefully on the corner, such as from a direct fall to the ground, the battery pack can overheat and pose a fire hazard to users. This is not an internal battery cell defect." Lenovo has received 4 reports of batteries overheating and damaging the notebook. There have been no injuries except "in one case, minor eye irritation to one consumer."

from the CPSC:

Lenovo sold these extended-life batteries with new ThinkPad notebook PCs or as optional or replacement batteries for the following ThinkPad notebook models: R Series (R60 and R60e), T Series (T60 and T60p) and Z Series (Z60m, Z61e, Z61m, and Z61p). The recalled 9-cell batteries have the following part number, which can be found on the battery label: FRU P/N 92P1131. Consumers should stop using the recalled batteries and contact Lenovo for additional information and to receive a free replacement battery.

Contact Info:
Lenovo (800) 426-7378 anytime, or log on to www.lenovo.com/batteryprogram

Lenovo Recalls ThinkPad Notebook PC Extended-Life Batteries Due to Fire Hazard [CPSC]