16pk Energizer MAX AAA Batteries $7

This 16-Pack of Energizer MAX AAA Batteries falls from $15.99 to $6.99 at Woot. Shipping is free when you log into your Prime account, or it adds $6. This pack is rated 4.8 out of 5 stars. It sells for $11 at least at other sites. This breaks down to $0.43 per battery. These batteries can last up to 12 years in storage. If you've been looking for some low-cost AAA batteries in bulk with a proven track record, this is the pack for you.