On 11/29/2010 4:18 PM, Chris Hoogendyk wrote:
>
>
> They recommend a larger UPS or one designed with extra batteries for 
> longer runtime.
>
> Since they listed item 4 and said, "in most cases," one might assume 
> that the UPSs they manufacture and sell still provide a 
> step-approximated sine wave when running on battery power. Looking for 
> details on their web site, the Smart UPS series claim a pure sine wave 
> on battery, but the Back UPS series have nothing regarding sine wave, 
> square wave or step-approximated. They don't say anything. I guess you 
> don't advertise the shortcuts you take on less expensive hardware.
>
>
One thing worth mentioning.. Nobody in their right mind ought to chain a 
Back UPS after another Back UPS... Yikes...

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