Just how good are those used, sealed lead-acid batteries? [RE-wrenches]

[Bob Clark]

Wrenches:

I can quite easily measure the voltage of a sealed battery by using a meter, but how do I know how "good" a used, sealed battery is?  That is, if the sealed, lead-acid battery has been in use for 2 to 3 years, how do I determine its condition (and capacity to hold a charge) if I do not know its use history?  I need to determine how "good" each of 20 of these batteries are (I have reason to believe that the condition of these batteries varies widely).  I would hate to have to haul them somewhere (except to recycle them if they are no good) to be tested.

Bob Clark
SolarWind Energy Systems, LLC
bclark at solar-wind.us<mailto:bclark at solar-wind.us>
[Non-text portions of this message have been removed]


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