Tim,
Which way? positive of #1 and then negative #3?

Dennis Jowell
Scotch Hollow Farm
Newbury, Vermont

> On Feb 9, 2015, at 7:03 AM, Tim Whynot <timwhy@MSN.COM> wrote:
>
> On Sun, 8 Feb 2015 10:15:07 -0800, Rocket J Squirrel
> <camping.elliott@GMAIL.COM> wrote:
>
>> "Maybe it doesn't even matter."
>>
>> If they are in fact wired in parallel, then nope, it doesn't matter.
>>
>> --
>> Jack "Rocket j Squirrel" Elliott
>> 1984 Westfalia, auto trans,
>> Bend, Ore.
>>
>>> On 02/08/2015 08:37 AM, Dennis Jowell wrote:
>>> I'm going to install 3 -UB 122230 -12V 22Ah AGM Sealed Deep Cycle
> Batteries in my Westy. Installed in parallel. My question is how to
> charged them with my on board charger? Do I put positive on #1 battery and
> then put negative on #3 battery or just use #1 battery to charge all of
> them together.? Maybe it doesn't even matter.
>>> (1988 GL Westy full camper)
>>>
>>> Dennis
>>>
>>> Dennis Jowell
>>> Scotch Hollow Farm
>>> Newbury, Vermont
>>>
>
> Dennis, I would suggest you wire them as you stated. I had my aux
> batteries wired the other way and it killed a brand new battery. When I
> took the battery back to be tested it had lost half of its capacity, tho
> it would charge. One bad battery in parallel can bring the others down
> with
> it.