Solar Battery Size Calculator
This free solar battery size calculator helps you estimate the battery capacity required for your solar system or power backup.Enter your daily energy usage, battery voltage, and backup hours to calculate the ideal battery size accurately.
Solar Battery Size Calculator
How This Calculator Works
This solar battery size calculator estimates the required battery capacity based on daily energy consumption and battery voltage.It helps determine the approximate amp-hour (Ah) rating needed to store sufficient energy for backup or off-grid use.
How to Use the Solar Battery Size Calculator
Enter your daily energy consumption in watt-hours (Wh)
- Enter required backup hours
- Enter battery voltage
- Click calculate to get battery capacity
Battery Size Formula
Battery Capacity (Ah) = Total Energy (Wh) ÷ Battery Voltage (v )
How This Calculator Works
- Homes facing frequent power cuts
- Users planning solar battery backup
- Homeowners selecting battery capacity
- Beginners learning about energy storage
Important Note
Battery size recommendations are approximate. Actual requirements may vary based on appliance usage, efficiency losses, and system configuration.
FAQs
How do I know my daily energy consumption?
You can calculate it by adding the wattage of all appliances multiplied by usage hours.
Is this calculator accurate?
It provides an estimated battery size. Actual requirements may vary depending on efficiency and battery type.
Can this calculator be used for off-grid systems?
Yes, it works for both off-grid and backup solar systems.
Is this solar battery calculator free?
Yes, it is completely free to use.
Once battery size is calculated, use our Inverter Size Calculator to choose the correct inverter capacity.
Related Tools:
Disclaimer:
Battery size recommendations provided by this calculator are approximate.
Actual battery requirements may vary based on appliance load, backup duration, and efficiency losses.