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Re: Lifespan of Lithium Ion Solar Batteries

One has to be very careful trying to determine battery longevity from datasheet specifications for several reasons. There are variables like temperature, charging rates, depth of discharge and end of life capacity (generally Lithium Ion end of life is considered as 80%. Ignoring all that, the more serious problem is how the warranty is specified. If it is pro-rated, what is the pro-rating based on? Is it total charge discharge coulomb count or number of days used? Is the price of the battery inf ...
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