how to power a 400 watt heater with solar panels and batteries?
want to run 400 watt heater 8 hrs a day how many solar panels do i need and batteries
well, you need to produce 3200 watt-hours per day with your solar panels
how many you need depends on the type of panel and size and how much sun you get (the energy of the rays depends on your latitude and the time of year)
the amount of batteries you need again depends on your requirements and your insolation
if you only need to heat when the sun is shining then you don't need any batteries at all
if you want to heat for 8 hours after the sun has quit shining then you obviously need batteries to hold 3200 watt-hrs of electricity
to actually size a 3200+ watt-hr solar system you need a lot more information
5 Watt Solar Panel Review
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