Hi Folks: Wonder if anyone has a lead on a USB Battery Bank that supports pass-through charging and does NOT interrupt the output voltage when there is loss of commercial power? I'd like to use a battery bank on my remote node down in FL (renowned for electrical storms!), so keeping the Pi up during brown-outs and loss of commercial power is a big plus. In case folks are interested - here is a link to a good article providing a review of various products: http://www.theoutpost.org/6-techy/raspberry-pi-usb-power-bank-ups-pass-throu... Unfortunately, the leading contender, the product from RS Electronics (brings back memories of my "jollies" as an Apprentice heading up to Alum Rock in Birmingham ;) is not available in N. America. There must be other equivalents out there..... Anyone have a lead on such a product? Thanks! Ramesh, VA3UV