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Old 03-15-10, 07:39 PM   #7
Lex Parsimoniae
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Because, they are compatible with many PV panels, cheap &,
they are scalable when used off-grid or with a grid-tie system..

Scalability is important if you only need (or can only only afford) a few hundred watts.
You can meet that need at a reasonable price with micro-inverters.

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