I agree it makes no sense to you and me to use a battery system as an emergency backup power.
Unfortunately there are a lot of people that believe to be "green" they shouldn't use a generator. They also believe that since they have all them solar panels already they should be able to use them to provide power even if the grid goes down.
Both those lines of thinking are flawed because using batteries will never be "Green". And the cost to use those panels when the grid goes down to charge batteries will not save them any money.
Unfortunately there are a lot of people that believe to be "green" they shouldn't use a generator. They also believe that since they have all them solar panels already they should be able to use them to provide power even if the grid goes down.
Both those lines of thinking are flawed because using batteries will never be "Green". And the cost to use those panels when the grid goes down to charge batteries will not save them any money.
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