I have used solar panels for years to operate fence chargers and maintain batteries
Also to pump water where power wasn't available
Without taxpayer assistance and intervention driving fossil fuel cost up solar isn't economical as a primary power source
Off grid, niche applications, and subsidized installment are the norm
Outdoor storage of RV'S makes a great fit for battery voltage maintainers
As with all battery dependent electrical devices, we still need cheaper and better batteries
Otherwise if it is simply convenient or location dependent to use batteries/solar
We are simply moving the carbon from one location to another
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