Remember Duracell’s PowerCheck? The idea was that a strip built into the battery would show if the battery was good or not. Sure, you could always get a meter or a dedicated battery tester &#…
It turned out that batteries randomly lying around are always empty. Functioning batteries are still in the device it’s operating or in the box it was sold in.
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It turned out that batteries randomly lying around are always empty. Functioning batteries are still in the device it’s operating or in the box it was sold in.
He draws similar conclusions in his video.