Nikon Issues a Recall on Overheating Li-ion EN-EL15 Batteries Used in D7000 and D800 Cameras
Take a look at your battery. If the ninth digit in the serial number has an E or an F, it's time to call Nikon. If not, you're good to go.
Nikon can be contacted at 1-800-645-6687 or through their recall website. For more details, check out Nikon's service advisory.
