[RE-wrenches] single string of batts: must the interconnects be inverter size cables?

[Mick Abraham]

...that last sentence of Ray's...what a fine additional factor to bring up:
"Inherent current limitation because the battery just can't do more." I'm
going back to my charts!

Mick Abraham, Proprietor
www.abrahamsolar.com

Voice: 970-731-4675


On Sun, Feb 21, 2010 at 10:19 PM, R Ray Walters <ray at solarray.com> wrote:


> ...Some of the sealed battery manus (B&B for instance) give max current
> output vs time charts, and that not only gives you something for cable
> sizing, but also is an eye opener, when expecting a single string of two 12
> volt batteries to run a 4 Kw inverter. A battery that can only produce 250
> amps for less than 5 sec, doesn't deserve a cable sized for 24 hr continuous
> at that output.
>
>  R. Walters
> ray at solarray.com
> Solar Engineer
>
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