Solar Calculator

Examples:
Lights x 5 - 5W each running for 8 hrs per day
TV x 1 - 100W running for 2 hrs per day
Sound system x 1 - 80W running for 6 hrs per day

Item Quant Watts Hours Watt Hours
Example: Light x 1 20 W 10 Hrs 200 Wh
Total Watt Hours
200 Wh
Item Quantity Watts Per Item Hours Used Per Day  

x W Hrs

 

Overspec by %
Average Hrs of Peak Sun
Zim Winter: 9-10 hrs, Zim Summer: 10-12 hrs
Hrs
Battery Bank

 

Sun Spec
 
Amp Hrs of Batteries
 
Solar Panels - Watts
 
Solar Panels - Kw