Here's some math on batteries. Because it's 2020, and who would have thought that we'd still be buying these all the time?
4 results
Brand: Energizer Brand: Eveready Size: AA
$12.62 / 12 batteries = $1.05/battery
ASIN: B01IL2FFTO
Brand: Eveready Size: AA
$5.33 / 4 batteries = $1.33/battery
ASIN: B0044C46JG
Brand: Eveready Size: AAA
$6.07 / 4 batteries = $1.52/battery
ASIN: B0043CAOV6
Brand: Eveready Size: AA
$9.85 / 4 batteries = $2.46/battery
ASIN: B00451SSEA