# How to Calculate Battery Capacity for Electric Vehicle

Calculating battery capacity for an electric vehicle is an important factor in determining the range and overall performance of the vehicle. Battery capacity is expressed in ampere-hours (Ah) and represents the total amount of energy stored in the battery pack that can be used to power a vehicle.

To calculate battery capacity for an electric vehicle, you need to know the total energy stored in the battery pack (in kilowatt-hours, kWh) and divide it by the battery pack’s voltage.

Here’s the formula:

Battery capacity (Ah) = Total energy (kWh) / Voltage (V)

For example, if the total energy stored in the battery pack is 50 kWh and the voltage of the battery pack is 400 V, then the battery capacity would be:

Battery capacity = 50 kWh / 400 V = 125 Ah

Note: The actual usable capacity of an electric vehicle battery can be less than the theoretical capacity due to factors such as battery degradation and system inefficiencies.

## To calculate the battery capacity, the following information is required:

• The total energy stored in the battery pack (in kilowatt-hours, kWh)
• The voltage of the battery pack (in Volts, V)

## Here are the steps to calculate the battery capacity for an electric vehicle:

1. Determine the total energy stored in the battery pack. This information is usually provided by the manufacturer and is expressed in kilowatt-hours (kWh).
2. Determine the voltage of the battery pack. This information is also usually provided by the manufacturer and is expressed in Volts (V).
3. Use the following formula to calculate the battery capacity: Battery capacity (Ah) = Total energy (kWh) / Voltage (V)

For example, if the total energy stored in the battery pack is 50 kWh and the voltage of the battery pack is 400 V, then the battery capacity would be:

Battery capacity = 50 kWh / 400 V = 125 Ah

It’s important to note that the actual usable capacity of an electric vehicle battery can be less than the theoretical capacity due to factors such as battery degradation and system inefficiencies.

In conclusion, calculating the battery capacity of an electric vehicle is a crucial step in understanding the vehicle’s range and overall performance. By using the simple formula described above, you can determine the battery capacity and make informed decisions when it comes to choosing the right electric vehicle for your needs.