Walmart offers the Panasonic eneloop AAA Rechargeable Battery 4-Pack for $8.33. Opt for in-store pickup to drop it to $7.96. (Amazon charges the same with free shipping for Prime members.) That's the lowest price we could find by $4, although we saw it for a buck less in March. Deal ends April 6.Update: The Walmart offer no longer drops in cart; however, Amazon still has it for $7.96 with free shipping for Prime members.