Re: PTC protected dual battery harness

[ibewman@xxxxxxxxx]

On Mar 27, 1:20=A0pm, Nomen Nescio <nob...@xxxxxxxxx> wrote:
> >How much more "backup" does he need? =A0Most panels can handle recharging=

> >up to a 14AH battery (2 7AH batteries in parallel will fit in most cans
> >if they're not "overloaded" with wire).
>
> Frank, when more than one battery is connected in parallel, the correct wa=
y
> to do it is to use some sort of overload protection in the battery leads.
> Either a circuit breaker, a PTC device, or even a properly selected fuse.
> Suppose one battery develops an internal short: =A0the good battery will
> start trying to charge the shorted battery, and hazardous amounts of
> current can flow.
>
> A comment on the original poster's question: =A0I think it is monumentally=

> stupid for someone to take over 35 DMP panels (DMP's biggest and most
> powerful panel, by the way) and not have a source for spare parts. =A0If h=
e
> can't even come up with a battery harness, what's he going to do when he
> needs a keypad or a loop expander, or when one of those XR500 panels craps=

> out on Friday night?

Nomen, I also purchased several pieces of backup equipment. I have
enough parts to put together another 5 systems.