Recall date: April 21, 2015
Recall number: 15-117

Recall Summary

Name of product:
ThinkPad notebook computer battery packs
The battery packs can overheat, posing a fire hazard.
Consumer Contact:

Lenovo at (800) 426-7378 from 9 a.m. to 5 p.m. ET Monday through Friday or online at and select Support at the top of the page, then click on the link to the recall page in the News and Alerts section at the bottom right of the page for more information.

Recall Details Report an Incident Involving this Product

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.)

This recall involves Lenovo battery packs sold with the following ThinkPad notebook computers: the Edge 11, 13, 14, 15, 120, 125, 320, 325, 420, 425, 430, 520, 525 and 530 series; the L412, L420/421, L512 and L520 series; the T410, T420, T510 and T520 series; the W510 and W520 series; and the X100e, X120e, X121e, X130e, X200, X200s, X201, X201s, X220 and X220t 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, 42T4740, 42T4798, 42T4804, 42T4812, 42T4816, 42T4822, 42T4826, 42T4828, 42T4834, 42T4840, 42T4862, 42T4868, 42T4874, 42T4880, 42T4890, 42T4944, 42T4948, 42T4954, 42T4958, 45N1022 and 45N1050.


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.

Sold At:

Computer and electronics stores, and authorized dealers nationwide and online at from February 2010 through June 2012 for between $350 and $3,000 when sold as part of ThinkPad notebook computers. The battery packs were also sold separately for between $80 and $150.


Lenovo Inc., of Morrisville, N.C.

Manufactured In: