Lenovo has just announced the recall of 166,500 laptop batteries in the United States and Canada due to a potential fire hazard.
If your laptop has one of the affected batteries, you should remove it from the laptop immediately and contact Lenovo Support to request a free replacement battery. To find out if the battery in your laptop is affected by this recall, simply visit this page and check to see if its part number is on the list.
While you’re waiting for your replacement battery to arrive, you can use your laptop while running on power supplied by the AC adapter (without a battery installed).