[DMCForum] Re: Battery?

["mw98gt" <mw98gt@xxxxxxxxxxx>]

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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