Amazon has 8-Pack Eneloop Panasonic BK-4MCCA8BA AAA batteries on sale for $15.99.

About this item:

Long-lasting NiMH batteries pre-charged with up to 850mAh, rechargeable up to 2100 times. Retain up to 70% charge after 10 years. Usable in extreme temperatures (-4°F), suitable for hundreds of household devices like remotes, toys, cameras, and game controllers. Made in Japan, packaged in the USA, and sold in secure 8-battery packs.