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7Ah Sla Battery


magpye

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Posted

I received this in the post yesterday.

Q. When is a 7Ah battery not a 7Ah battery?

A. When its temperature is below or above 20C (68F)!

"Remember, Ah capacity available (irrespective of stated Ah size) is affected by battery temperature as well as state of charge"

Examples.

5Ah available @ 10C (50F) --------------- 9Ah available @ 30C (86F)

From tomorrow on, I'll be replacing EVERY 7Ah battery that I find.

Na, perhaps not, I might find one at 20C (68F)

Someone told me I was ignorant and apathetic, I don't know what that means, nor do I care.

Posted

Surely most batteries are closer to 30 degrees than 10, sitting in their nice comfy enclosures along with mr transformer, so nothing to worry about?

Posted

I always wondered why the little red ACT. Battery testers showed the temp .

New gold one I've got doesnt tho .

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