As one of its daily deals, Best Buy offers the the Dynex AA Batteries 48-Pack, model no. DX-AB48AAH, or the Dynex AAA Batteries 48-Pack, model no. DX-AB48AAAH, for $7.99. Opt for in-store pickup to dodge the $6.50 shipping fee. That's the lowest total price we could find for each by $17, although we saw each one for a buck less two weeks ago. Deal ends today.