Re: [DMCForum] Re: Battery?

[DMCVIN6683 <dmcvin6683@xxxxxxxxx>]

Fix your drain problems first then get the red top Optima. Shorts lead 
to fires and you dont want a black crispy Delorean do you? The new 
battery is just a Band-Aid for your problem that will never go away 
unless fixed.

Here is a easy way to check a drain on an electrical system.

Pull your fuses, make sure you remember or write down where they 
belong. Start putting them back in one at a time and if every thing is 
off in that fuse circuit and it sparks you have a short in the circuit.

My last battery in the Delorean appeared to be good but it wasn't. I 
took it to Sears and they have a machine that runs a test on it for 
about 10 to 15 minuets and i found out my battery was toast. My battery 
would start the car everyday but if i left it for a week it would be 
almost dead. Just to make sure it wasn't my Delorean developing a new 
short i installed my daily driver battery out of my truck and let the 
Delorean sit for 2 weeks and she fired up with no problem.

I have had the same problem with a new battery that was only a year 
old. Just because you have a new top end battery doesn't mean its good, 
your short might just be a bad battery. Get it tested!

Mark V




On Monday, September 20, 2004, at 09:45  PM, mw98gt wrote:

> So if I dont have battery drain problems go with the red, if i do go
> with the yellow?
>
> Misha
>
> --- In DMCForum@xxxxxxxxxxxxxxx, "Walter Coe" <Whalt@xxxx> wrote:
>>> (Most lead acid batteries will fail to
>> take a new charge after as little as a dozen cycles.  They
>> are not
>> designed to be drained.)
>>
>> Andrew, I think that a dozen cycles for a regular flooded
>> cell lead acid battery is very optimistic.  It is probably
>> closer to 3 or 4 cycles.  I never trust a battery after it
>> has been discharged once.  The Optima literature says that
>> the red top series can be cycled twice before you start to
>> kill them (or something to that effect).
>>
>> I think that the deep cycle yellow top is definitely a
>> battery to consider.  The only disadvantage I have heard
>> with it is that they have less CA capacity and recover
>> slower which may not make it a good choice in a car.  But
>> newer models may be up to the job.
>>
>>> (People who think that a UPS is designed to
>> be used to cover extended power outages are sorely mistaken
>> and learn
>> expensive lessons when their UPS batteries die after a dozen
>> cycles.)
>>
>> I wondered about that since alarm systems and battery backup
>> fire/emergency/exit sign lighting uses the same kind of
>> battery as UPSs.  So I figured they were some variety of
>> deep cycle.  Go figure.
>>
>> When the power went out during hurricane Francis, I used a
>> UPS to run the TV for about 20 minutes.  When the battery
>> got low enough, I tired hooking it to a car.  For reasons I
>> don't understand, my UPS would not start up hooked to a car
>> battery.
>>
>> Walt
>
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