Use the nPM PowerUP app in nRF Connect for Desktop to profile
your battery and generate a battery model.
nPM Fuel Gauge Board
The nPM Fuel Gauge Board is a cost-effective, plug-and-play extension board for profiling Li-ion, Li-Poly, and Lithium iron phosphate (LiFePO4) batteries together with the nPM1300EK and the nPM PowerUP app.
Generating a battery model
Follow the steps to profile a battery and use the generated battery model to initialize and run the nPM1300 fuel gauge in the nPM PowerUP app.