Library for estimating state of charge from battery cell voltage
Project description
batsoc - State of Charge (Battery)
Got a cell voltage and would like to know how much charge is left? batsoc to the rescue!
Installation
pip install batsoc
Accuracy
Measuring state of charge based on voltage alone is not terribly accurate. The measured voltage depends on multiple factors besides the state of charge: temperature and load affect matters as well.
Usage
from batsoc import soc, BatteryType
soc(BatteryType.ALKALINE, 1.3)
will output 0.633 indicating 63.3% state of charge.
Supported batteries
ALKALINE
Any generic 1.5V alkaline battery under low load. The curve is defined for 0.8 - 1.6 volts.
LI_ION
Any generic lithium-ion battery with a nominal voltage of 3.7 or 3.8. The curve is defined for 3.0 - 4.2 volts.
CR2032
A 3V lithium coin cell battery under very low load. The curve is defined for 2.0 - 3.0 volts.
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