William:
Like you, I'm unaware of an inverter that functions as grid
tied/interactive, to which a battery bank can be added later to the same
product.
My guess is that Sunny Boy(s) would be installed first, followed by
Sunny Island(s) if battery backup is wanted later.
Same thing could be done with Schneider/Xantrex GT grid tied, followed
later with an XW inverter/charger.
Regards,
Gary Willett, PE
Icarus-Engineering LLC
Icarus Solar Services LLC
On 10/27/2011 00:20, William Miller wrote:
Friends:
Is there such a thing as an inverter that does not need batteries
today, but next week you can add batteries? A potential client tell
me a competitor is offering such an inverter. I have a narrow field
of experience with battery inverters: Trace, Xantrex and Outback, so
I might be unaware of a product.
Thanks in advance,
William
Miller Solar
Voice :805-438-5600
email: will...@millersolar.com
http://millersolar.com
License No. C-10-773985
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