1. The target price for Ra http://canopyrising.com/#ra is $600-800, just under what you would pay for a 1kw emergency generator. Initial market is apartment renters in flat-roof, multi-floor urban buildings, who can not run generators indoors b/c of fumes, etc.
2. Battery capacity built into the Cuba table http://canopyrising.com/#cuba allows power arbitrage, buying power at the lowest price during off-peak hours to charge up, then drawing from batteries during peak pricing on the grid. In NYC, Conedison sells power for 7-19 cents during the day, but from midnight until 8a, it costs just over a penny. Voluntary time of use programs are common across the country, but few products exist to leverage them. http://www.coned.com/customercentral/energyresvoluntary.asp