[AT] OK, oddball question...

[Stephen Offiler]

Bo, sounds like a fine idea to me.  30 amps is a pretty decent supply.
Here's a direct link:

https://www.buggiesunlimited.com/golf-cart/reliance-36v-48v-12v-power-converter-(universal-fit)/13-030



SO


On Mon, Jul 15, 2019 at 10:01 AM Bo Hinch <bohinch at gmail.com> wrote:

> If it were me , I would use a voltage reducer like below that cost around
> $100.00 dollars and draws equal voltage from ALL the batteries never making
> any two batteries weaker than the others . I have installed many of them in
> my life time and years down the road , it pays off big time .Reliance
> 36V/48V-12V Voltage Reducer/Converter (Universal Fit) on sale now from
> Buggies Unlimited . Normally 174.95 , sale price is 97.95 .
> Just my opinion for whatever its worth .
> Bo Hinch in S/W louisiana watching Berry as its passing through
>
> On Mon, Jul 15, 2019 at 6:28 AM Stephen Offiler <soffiler at gmail.com>
> wrote:
>
>> Hi farmer:
>>
>> Batteries in parallel will try to equalize each other.  Yours, of course,
>> are in series.  In a series string, if one battery is discharged, it will
>> limit the performance of the whole string.  It will not be recharged by the
>> other batteries however.  That's because you're trying to pull current from
>> the whole string, and recharge requires a push in the other direction.
>> Your idea to feed recharge to the center two batteries will work fine *IF*
>> you are very careful to isolate the whole thing from the golf cart
>> chassis. Otherwise you'll have some unintended arc welding going on.
>>
>> SO
>>
>>
>>
>>
>> On Sun, Jul 14, 2019 at 10:45 PM Indiana Robinson <
>> robinson46176 at gmail.com> wrote:
>>
>>> One of my "old tractors" is IIRC about a 1996 Club Car 36 volt golf
>>> cart. With chevron tires (like tractor rears) they will get around well and
>>> will pull a lawn trailer about anywhere. I try to not over do it but I have
>>> in a pinch pulled one of my smaller tractors a very short distance or for a
>>> quick pull start.
>>> It is as I said a 36 volt one using six 6 volt deep cycle batteries.
>>> Now for the question... Hoping that some are better at theory etc. than
>>> I am. It's been a long hot day and my brain is in granny gear and I can't
>>> find what I want on-line. There are a number of golf cart accessories that
>>> operate on 12 volts like the back-up alarm, radio, lights, fan etc. You can
>>> pull 12 volts from any 2 adjoining batteries. I have read that you
>>> shouldn't draw too hard from any one pair or they will not always recharge
>>> evenly but apparently if those two do drop some power there is some
>>> balancing from the other batteries. Supposedly they try to find a common
>>> level with the weakest battery. (shrug)
>>> What I want to know  is what would be happening if I were to connect a
>>> 12 volt alternator powered by a very small gasoline engine to feed 12 volts
>>> to the center 2 batteries? Would it move to the other batteries some?
>>> Sometimes when we are working horse fences a lot we get might get a bit
>>> low on go juice when back in a back corner of the farm especially if
>>> running in deep snow. Not this week.  :-)
>>> I fed the question into my boiled brain and it came back "error 404,
>>> page not found"...  :-)
>>>
>>> .
>>>
>>> --
>>> --
>>>
>>> Francis Robinson
>>> aka "farmer"
>>> Central Indiana USA
>>> robinson46176 at gmail.com
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
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