I purchased these because the price is amazing, even when you compare it to the dollar stores. Every Christmas I stock up on batteries, because I hate giving the grandbabies toys that require them, and they can’t try them out. However, at the store I can only find the large packs of AA batteries. They claim they do not sell the AAA in the large packs. I put these in a frother, which does a large draw on batteries, and they held up great. I used them to mix my protein drink every morning, and then it also has an brush attachment so I clean out the water bottle AND my coffee cup, which stains pretty good. So, it is definitely getting a work out. They’ve worked excellent.