Battery capacity percentage estimation #11
hippo5329
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Battery capacity percentage estimation - Optional
The battery capacity percentage estimation in the /battery topic can enabled with the battery parameters. For Li-ion battery, the minimum voltage (empty) of a single cell is 3.0V typically, and the maximum voltage (full) is 4.2V. For 3S battery pack, the minimum voltage is 3.0V x3 = 9.0V and the maximum voltage is 4.2V x3 = 12.6V. The capacity of 18650 is around 2000mAh = 2.0Ah.
#define BATTERY_CAP 2.0 // battery capacity Ah
#define BATTERY_MIN 9.0 // battery minimal voltage
#define BATTERY_MAX 12.6 // battery maximum voltage
This is the /battery message of my 12.6V 4.9Ah battery pack.
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