Join Date: Sep 1999
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Re: o/t restoring a lead acid battery
Ok if you can see through the base take a look at the plates from end to end and check for bridging of the plates this most commonly occurs at base of the plates. One that sits for quite awhile is very susceptible to this. If not then if you do drain it and put new electrolyte in it may rejuvenate the plates but in most cases it won't the coating (on the plates) usually gets eaten away enough and you wind up with a partial charge like you are getting.
But there is hope [img]images/graemlins/grin.gif[/img]
Find an industrial battery re-builder and in most cases they can help you out on the best action to take and may even be able to repair that battery.