The estimated state of charge (%) from the nPM1300 fuel gauge has been compared against measured data using an accurate coulomb counter-based state-of-charge test for a Lithium-polymer (Li-Poly) battery at room temperature.
Figure 1. Estimated (nPM1300 fuel gauge) and measured state of charge (%) at different
loads
Figure 2. Estimated (nPM1300 fuel gauge) and measured state of charge (%) over several charge and
discharge cycles
The following figure compares nPM1300 fuel gauge with a reference state of charge, compared to an Open-Circuit Voltage (OCV) based state-of-charge estimation method.
Figure 3. Comparing estimates from nPM1300 fuel gauge against OCV based look-up table method
