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1.ONLY Red area need to be filled.
2.For daily sun light hours, defaulted as 5 hours. If have accurate sun light hours, you can change it.
3.Calculated controller is PWM controller, inverter is pure sine wave.
4.This calculator is for reference only, pls contact us for details(battery connection,etc.).

Load Part Load Quantity(PCS) Load Rated Power(W) Working Hours (H) Power Consumption(WH)
such as: Light
Total Daily Consumption(WH)
(can also enter the daily consumption directly.)
Battery Part Battery Voltage(V) Battery Capacity(AH)
Solar Panel Part Daily Sun Light Hours(H) Solar Panel Max. Power(W) Quantity of Solar Panel(PCS)
Controller Part Rated Voltage(V) Rated Current(A)