GeneralQuery - How is a battery cycle measured?

What is a "Battery Cycle"?

A battery cycle on a solar battery refers to the process of using and recharging the battery one time. In simpler terms, it's like a full circle of using the battery's energy and then filling it back up again. Each time you do this, it's counted as one battery cycle.

How is a Battery Cycle calculated?

Calculating battery cycles involves keeping track of how many times you use all the energy stored in the battery and then recharge it to full capacity. Here's an example to help explain:

Let's say you have a solar battery with a total capacity of 10 kilowatt-hours (kWh). You use 5 kWh of energy from the battery to power your home at night when the sun isn't shining. The next day, your solar panels recharge the battery back to its full 10 kWh capacity. This completes one battery cycle.

If you repeat this process—using 5 kWh and then fully recharging the battery—ten more times, you would have completed a total of 10 battery cycles.

So, the formula to calculate battery cycles is:

Battery Cycles = Total Energy Used from Battery / Battery Capacity

In the example above: Battery Cycles = (5 kWh * 10 cycles) / 10 kWh = 5 cycles

Where is this information stored?

Huawei

On a Luna2000 battery, this information can be found on the Battery LOG files. Only Huawei and the installer have access to these LOG files. Therefore, in order to determine your current battery cycle, please contact one of them.

Weco

On a Weco battery, this information is available in the Weco Bluetooth app:

Summary

Remember, different batteries have different capacities and capabilities, and factors like how much energy you use each cycle and the battery's overall lifespan can influence the actual number of cycles your battery can go through before it starts to degrade in performance.