The Consumer Product Safety Commission in cooperation with Lenovo, Inc. of Morrisville, NC has voluntarily issued a recall of the ThinkPad notebook computer battery packs. The battery packs can overheat, posing a fire hazard. Approximately 40,000 units were sold in the United State and Canada at computer and electronics stores, authorized dealers and online at www.lenovo.com nationwide from October 2010 through April 2011 for between $350 and $3000 when sold as part of the Thinkpad notebook computers. The battery packs were also sold separately for between $80 and $150. Lenovo has received two reports of the battery packs overheating, resulting in damage to the computer, battery pack and nearby property. No injuries have been reported.

This recall involves Lenovo battery packs sold with the following ThinkPad notebook computers: the Edge 11, 13 and 14 series, the T410, T420, T510 and W510 series, and the X100e, X120e, X200, X201 and X201s series. The battery packs were also sold separately. The black battery packs measure between 8 to 11 inches long, 1 to 3 inches wide and about 1 inch high. Recalled battery packs have one of the following part numbers starting with the fourth digit in a long series of numbers and letters printed on a white sticker below the bar code on the battery pack: 42T4695, 42T4711, 42T4798, 42T4804, 42T4812, 42T4822, 42T4828, 42T4834, 42T4840 and 42T4890.

Consumers should immediately turn off their ThinkPad notebook computer, remove the battery pack and contact Lenovo at www.lenovo.com for a free replacement.