Hobby Electronics Basics Dry dead battery

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Subject Author Date
Dry dead battery rabiticide 06-30-08
---> Re: Dry dead battery Jonathan Kirwan06-30-08
Posted by John Fields on July 1, 2008, 6:55 pm
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On Tue, 1 Jul 2008 23:12:15 +0100, "christofire"

>
>> rabiticide wrote:
>>> uh. no sloshing, and i didn't turn it upside down. It seemed pretty
>>> dry. I moved it side to side briskly and neither felt nor heard
>>> anything "slosh". But how else would this be explained? Is H2SO4
>>> pretty viscous?
>>>
>>>
>>> rK
>> a bit oily.
>
>
>I wonder what substance they use in jelly-electrolyte lead-acid cells ... to
>suspend the acid in a jelly.

---
http://www.google.com/search?hl=en&q=lead-acid+gel+electrolyte&start=20&sa=N

JF

Posted by John Fields on July 1, 2008, 6:45 pm
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On Tue, 1 Jul 2008 13:51:16 -0700 (PDT), rabiticide

>uh. no sloshing, and i didn't turn it upside down. It seemed pretty
>dry. I moved it side to side briskly and neither felt nor heard
>anything "slosh". But how else would this be explained? Is H2SO4
>pretty viscous?

---
26.7 cP at 20C, while water is 1.002cP at 20C and olive oil is 84cP at
20C.

JF

Posted by ZACK. on July 3, 2008, 9:23 pm
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ive been there with my bike, boild my battery dry
every time i refill it, i found it was the bikes
regulator was faulty.

>I was charging my battery over the weekend and checked it last night
> to find the battery dead as a doornail. Upon examination, the battery
> is completely dry. I'm guessing it was overcharged and the water
> boiled away but it shouldn't've 'cause it's an "automatic battery
> charger" that's designed to stop charging when it's done...
>
> So, do I just add distilled H2O? Will that work? I have to walk to the
> store 1.5 miles (2.5 km) away and that's a long way to carry 1 gallon
> (4? L) of water...
>
>
> rK



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