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Wierd Energizer battery story & computer keyboard
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<blockquote data-quote="glpease" data-source="post: 124489" data-attributes="member: 18"><p>My first thought was that there was in impedance difference between the two battery brands, but for this to be an issue, the current draw would have to be huge and the impedance difference huge, as well. Interesting theory, but likely dead wrong. Or, maybe HP had some conspiracy deal with Energizer, and installed hardware to read the battery's color or something. Nah. That's just silly. Of course, this was all before coffee. </p><p></p><p>AFTER coffee, my next thought was that there must be a mechanical difference. Battery sizes are somewhat loosely spec'd, so it's possible that the two have different contact geometry, and the battery holders don't work with some brands, while they will work fine with others. I've actually seen things like this. in a couple of situations. Battery holders and batteries are pretty simple things, but I've seen cases in some weird equipment where the tolerances were just too close, and things didn't work according to plan. Maybe that's it? </p><p></p><p>So, I followed the link, and found this:</p><p></p><p></p><p>The actual problem isn't nearly as interesting as the possible problems. The sharp edge of Occam's Razor shaves close once again.</p></blockquote><p></p>
[QUOTE="glpease, post: 124489, member: 18"] My first thought was that there was in impedance difference between the two battery brands, but for this to be an issue, the current draw would have to be huge and the impedance difference huge, as well. Interesting theory, but likely dead wrong. Or, maybe HP had some conspiracy deal with Energizer, and installed hardware to read the battery's color or something. Nah. That's just silly. Of course, this was all before coffee. AFTER coffee, my next thought was that there must be a mechanical difference. Battery sizes are somewhat loosely spec'd, so it's possible that the two have different contact geometry, and the battery holders don't work with some brands, while they will work fine with others. I've actually seen things like this. in a couple of situations. Battery holders and batteries are pretty simple things, but I've seen cases in some weird equipment where the tolerances were just too close, and things didn't work according to plan. Maybe that's it? So, I followed the link, and found this: The actual problem isn't nearly as interesting as the possible problems. The sharp edge of Occam's Razor shaves close once again. [/QUOTE]
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