We warrant the entire system for five years and the performance of the battery for ten years. It’s always difficult to say how long it’s expected to last after that, but certainly when we look at the cycle life of these batteries and the number of cycles per year we take them through, we’re expecting them to last well beyond their ten-year warranted period. And of course the solar component of the system has a twenty five year performance warranty and twelve year full warranty. So I suppose the short version of all of that is the (performance) warranties for all of the components going into the system are much longer than what we expect the payback for a homeowner to be.
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