Sizing of 12V solar system with battery 

The system will be calculated to ensure the desired power consumption in the spring-autumn period in Europe (from March to October)

 

- Enter data for number of pieces, power in watts, number of hours/day on the devices representing your power consumption, and press the "Calculate" button. Please fill in only integer without commas, sentence or letters.
- If you want a new calculation, press the "Cancel" button. All data will be deleted and the form is ready for new calculations. Fill in new data in.
- No fill in the fields under Total Watt h / day, they represent the calculation results.

Device Amount Power in watts Number of hours / day Total Watt h / day
Lamps 4W
Lamps 10W
TV
Refrigerator
Laptop
Waterpump
Radio
Mobile Charger
Other appliances
             

Total consumption in Watt hours / day


Estimated minimum solar power    

    Watt

Estimated minimum battery capacity
(reserve = 2 days without sunshine)
   

  Ah

Estimated solar charger at least   

  A

                        

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