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Re: (ET) Voltmeters/battery
- Subject: Re: (ET) Voltmeters/battery
- From: matt <matty tds net>
- Date: Tue, 13 May 2003 17:03:10 -0500
- Delivery-date: Tue, 13 May 2003 16:57:58 -0400
- Envelope-to: elec-trak-outgoing cosmos phy tufts edu
- In-reply-to: <1707-3EC11EC9-5866@storefull-2192.public.lawson.webtv.net>
- Sender: owner-elec-trak cosmos phy tufts edu
At 11:35 AM 5/13/03 -0500, you wrote:
>Hi,
>Recently several of you suggested that it might be nice to know the
>relative state of each battery in the pack. I too thought that would be
>interesting to know since it is messy and time consuming to determine
>that by hydrometer. So I hooked up six voltmeters, one to each battery.
>So.....they are indeed wonderful indicators of relative battery
>condition especially under load. Hydrometer readings verify the
>voltmeter readings. Usually one of the three cells go bad first in a six
>volt battery. A voltmeter cannot indicate which one, of course, but it
>does give a relative indication of what is going on. Under load the
>relative strength of each battery in the pack is quite visible even with
>the cheap meters I am using. If anyone is interested in knowing more I
>can individually email digital photos and/or a schematic diagram (the
>list owner does not permit this due to storage limitations).
>Regards,
>Tom
It would be interesting to know what batts go bad first.
The one after the charger? Next to the cut out switch?
One farthest from the charger?
on mine it was the 2 next to the cut out switch. One in front, one in back.
>
>
Matthew P.Magda Jr.