Amazon offers Prime members its AmazonBasics Pre-Charged AA Rechargeable Batteries 8-Pack for $13.97 with free shipping. That's $1 off and the lowest price we could find. They are purported to last 1,000 recharge cycles and have a 2,000mAh capacity.

Also available is the AmazonBasics Pre-Charged AA High-Capacity Rechargeable Batteries 8-Pack for $18.99 with free shipping for Prime members. That's $1 off and the lowest price we could find, although we saw it for $2 less in January. They feature a 2,400mAh capacity.