12v Battery Bank Calculator

The off grid solar panel system calculator helps you size the battery bank watts of solar panels and the solar charge controller you need.

12v battery bank calculator.

Mon fri 9am to 5 00pm. For ten hours that s a total of 410 amps pulled. A 2c charge loads a battery that is rated at say 1000 ah at 2000 a so it takes theoretically 30 minutes to charge the battery at the rating capacity of 1000 ah. More is needed for flooded batteries.

If you are using a different voltage battery the amp hours will change by dividing it by the battery voltage you are using. Please remember that this calculator works out the minimum battery bank size for a given power consumption. For example 1200w drawn at 240v is only 5a whereas at 12v this current increases to 100a. Think of this as the minimum battery bank size based on your typical usage.

Suite h el cajon ca. Certainly your battery bank can comprise more than one standalone battery. The calculator assumes you will need to size your system to get you through average amount of sun light in the least sunniest month of the year for your location. Select the standalone battery voltage v standalone means a single battery.

You may want to consider 600 800 amp hours of capacity based on this example depending on your budget and other factors. Battery banks are typically wired for either 12 volts 24 volts or 48 volts depending on the size of the system. 456 watts will pull 41 amps from a 12v battery source per hour. Welcome to the trojan battery renewable energy sizing calculator.

When using an inverter the current draw on the battery side can be extremely high so you may need a battery bank that is larger than the minimum. A properly sized phi battery bank will prevent over discharge over charge and provide the required amount of energy and power to meet your electrical loads and overall project. Call or text us. A 0 5c or c 2 charge loads a battery that is rated at say 1000 ah at 500 a so it takes two hours to charge the battery at the rating capacity of 1000 ah.

Enter the battery bank capacity ah this is the capacity in ah you have already calculated by using our calculator for sizing the solar battery bank or you know it in advance. The following formula can be used to determine run time in most applications using a 12v battery or bank. Address 1985 friendship dr. For a battery recommendation i would at least double this number so any agm battery bank rated with 820 amp hours or more is my recommendation.

Now go back to steps 2 4 above to refine your calculation. The calculator may take a moment to load use this tool to calculate the accurate quantity of phi batteries relative to your loads and balance of system equipment.