Newegg the Panasonic eneloop AAA Rechargeable Battery 8-Pack, model no. BK-4MCCA8BA, for $18.99. Coupon code "EMCAXKX27" drops it to $$14.49 with free shipping. That's a buck under our July mention and the lowest total price we could find by $3, excluding the mention below.

A close price: Amazon offers it for $15.68 with free shipping for Prime members.