Lenovo expands recall of battery packs for ThinkPad notebook computers Lenovo is expanding the recall of battery packs for ThinkPad notebook computers to about 148,800 in the United States and 17,700 in Canada; about 34,500 in the United States and 2,900 in Canada were recalled in March 2014. Lenovo has received four reports of incidents of battery packs overheating and damaging the computers, battery packs and surrounding property. One incident included a consumer's skin being reddened and burn marks on the consumer's clothing. Consumers should immediately turn off their ThinkPad notebook computer, remove the battery pack and contact Lenovo for a free replacement battery pack. Consumers can continue to use their ThinkPad notebook without the battery pack by plugging in the AC adapter and power cord.