At my house, we use a lot of AA batteries. I did a count recently and found that there are 36 AA batteries in use around our home. Some of these are replaced frequently, like those in the Wii remotes and in my son’s self-propelled school bus toy—others are replaced rarely (less than annually), like the ones in the wall clocks. My estimate is that in an average month, we replace 10 AA batteries.
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