I have some hot Amazon deals for you on batteries. The link below is for the product page of a 100-pack of AAA Batteries for only $19.54. That’s under $0.20 per battery and 72% off the regular price of $69.99. If you prefer AA Batteries instead, there is an option on that product page to buy a 100-pack of those for only $23.99 ($0.24/battery.)
IMPECCA AAA Batteries, All Purpose Alkaline Batteries (100-Pack) High Performance AAA Battery Long Lasting Shelf Life and Leak Resistant 100-Count LR3 – Platinum Series – on sale $19.54 (reg. $69.99; SAVE 72%)
72% OFF/Batteries @Amazon/$19.54 for 100-packs!