Battery Bank Sizing
This calculator will help you size the battery bank for your system.
Your Daily Energy Usage
This value is usually printed on your electric bill. Take your monthly kilowatt-hour usage from your electric bill and divide it by 30 to get your daily kilowatt-hour usage. Since it's in kilowatt (1000's of watts) you'll need to multiply that number by 1000 to get the number into watt-hours.
How Many Days Should Your System Run without Sun?
How many days of backup power do you want in case of cloudy/rainy days?
(when your solar panels will produce little energy)
Adjust the Effective Capacity of Your Battery Bank Due to Low Temperatures
What is the lowest temperature your battery bank will experience?
Battery Bank Capacity: 0 watt hours
Select a battery bank voltage
Battery Bank Capacity: 0 amp hours
3 String Configuration: 0 amp hours per string
Solar Panel and Solar Charge Controller Sizing
This calculator helps you size the solar panel(s) and charge controller(s) needed for your system.
Determine the Solar Exposure for Your Site
The total wattage of Solar Panels that you need is:
0 Watts, or 0 kilowatts
How many solar panels do you need? That depends on the panel you choose.
Select the wattage of the panel you're interested in, and see the results below:
You will need 0 panels for a total of 0 watts.You will need a charge controller that can handle:
You will need a charge controller that can handle: 0 amps.