Amazon has 10-Pack Panasonic eneloop AAA Ni-MH Pre-Charged Rechargeable Batteries (BK-4MCCA10FA) for $19.37. Shipping is free with Prime or orders $35+.
Thanks to Community Member kaliesko for finding this deal.

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About this item:

• Recharge eneloop AAA rechargeable batteries up to 2100 times
• eneloop AAA Ni-MH pre-charged rechargeable battery deliver up to 800mAh typical, 750mAh minimum
• eneloop AAA rechargeable batteries are pre-charged at the factory using solar power and maintain up to 70% of their charge after 10 years (when not it use)
• These eneloop rechargeable AAA batteries are made in Japan and packaged in the United States