- March 20, 2023 at 2:59 pm #20496cindyKeymaster
The Depth of Discharge (DoD) of a LiFePO4 battery refers to the percentage of its total capacity that has been discharged. In general, LiFePO4 batteries can be discharged to a lower DoD than other types of batteries, such as lead-acid or lithium-ion batteries, without damaging the battery or reducing its lifespan.
For LiFePO4 batteries, the recommended DoD is typically between 80% to 90% of the battery’s total capacity. This means that you should aim to discharge your LiFePO4 battery to no more than 80% to 90% of its total capacity before recharging it.
Discharging a LiFePO4 battery to a lower DoD may result in reduced battery lifespan or damage to the battery. However, it’s important to note that discharging a LiFePO4 battery to a higher DoD occasionally, such as in emergency situations, will not significantly harm the battery.
It’s also important to avoid over-discharging a LiFePO4 battery, as this can cause permanent damage and reduce its lifespan. Therefore, it’s recommended to use a battery management system (BMS) that includes a low-voltage cutoff to prevent over-discharging of the battery.
In summary, it’s recommended to discharge a LiFePO4 battery to a maximum of 80% to 90% of its total capacity and to avoid over-discharging it to prevent damage and ensure a long lifespan.
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