>
>
> Most good make batteries do not self discharge significantly. I
> understand that self discharge is a direct function of the purity of the
> materials used. This is where the no-name makers skimp.


Self discharge is significant on NIMH cells, but can be more so if cheaply
made.


Usually, nameplate capacity is what you will get.
The skimping happens in the vent structure, recombination catalyst, accuracy
of the electrolyte fill, and general purity of materials.

If you get the right combination of the first three elements, you end up
with a pressurized metal can full of rocket fuel and boiling potassium
hydroxide that will strip a PCB down a couple of layers when it vents.

But, at least the electrolyte isn't flammable! :)
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