as can I know when I have to change battery?

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Baditude

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Apr 8, 2012
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There is obviously a language barrier here. Were you also asking how long the AW IMR batteries last lifetime? I've read that Li Ion protected ICR and Li Mn high drain IMR batteries are good for 300 charges minumum.

I have a couple of AW 18650 IMR 2000mAh batteries that are 14 months old and nearly as good as when new. Now, most of this period of time these batteries were charged on a Pila charger, which I had read at one time used unique algorhythms while charging batteries which could prolong their overall lifetime.
 
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