Lowes – PORTER-CABLE 20 max-Volt Lithium Power Tool Battery w/charger B&M YMMV $9.99

Lowes has the 20 volt batteries for sale at B&M from 39.98 to 9.99.
I was able to find this at 20166 (20 still in stock as of posting), but not available at all in my area.
Happy hunting!
https://www.lowes.com/pd/PORTER-C…1000321903