These solar battery calculators help you design your solar battery or solar battery bank not only fast and easy but also cost-effectively by implementing the best design practices for achieving the optimal trade-off between solar battery size, cost, runtime, and long life. Contact online >>
These solar battery calculators help you design your solar battery or solar battery bank not only fast and easy but also cost-effectively by implementing the best design practices for achieving the optimal trade-off between solar battery size, cost, runtime, and long life.
Disclaimer: Provided solar battery calculators are for informational and educational purposes only. By using these calculators you acknowledge that we can''t be held responsible for any damages as a result of using these calculators.
**Maximum short-term battery load is the approximated wattage that the battery is recommended to handle within a very short period, e.g. a couple of minutes. However, in the range of several seconds, the battery might sustain higher loads. This is the so-called surge load. Please always consult with the documentation of the battery vendor to get the correct value of this parameter.
*It is not recommended to connect more than 4 strings in parallel. Instead, increase the standalone battery capacity to decrease the number of paralleled strings. Please have in mind that – Adding standalone batteries in series in a string increases the battery bank voltage, however, the capacity remains the same.
1. Enter your daily energy consumption in Wh or kWh – this is the total amount of energy you consume per day, based on the appliances you use in your household or RV. You can get the daily consumption of a device (in Watts, W) by multiplying the power rating (in Watts) of that device by the time of its everyday use (in hours). Eventually, you get your total daily consumption by adding the daily consumption of all the devices you use daily.
Later on, by using our second battery calculator, you could define the number of solar batteries connected in series and parallel if you are using the solar batteries of low voltage to build the battery bank.
By using the very same solar battery calculator you can define as well the number of solar batteries connected in parallel if your solar battery bank is composed of solar batteries of voltage equal to solar panel nominal voltage, i.e solar power system voltage.
You can find similar examples in our article devoted to the pros and cons of mixing solar panels of different wattage or learn more about MPPT charge controllers in our free “Definitive Guide to Solar Charge Controllers”
For more information about the various battery types, please, refer to our free ultimate guide to solar batteries or download our free book ''Solar Power Demystified: The Beginners Guide To Solar Power, Energy Independence And Lower Bills''
Does the system has an inverter? – if you are about to power DC-devices only, your system will be inverter-less, and here you should select ''No''. Otherwise, you need an inverter converting the battery DC power into AC power, and the option is ''Yes''.
The solar battery calculator applies the best practices for using the depth of discharge/DoD/ of different types of solar batteries, thus ensuring the optimal compromise between the size of the battery bank and the desired long life of the batteries while taking into account their type.
Namely, 50% depth of discharge for Flooded or sealed lead-acid, Gel, AGM (Absorbed Glass Matt) and 80% DoD for Lithium batteries. As you know 0% DoD equals to 100% full battery, 100% DoD= empty battery.
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