Part Number:BQ27542-G1
I have a battery that is 4 Molicel 18650K batteries (Chem ID 2249) in parallel connected to my fuel gauge. I have already calibrated the fuel gauge, performed the learning cycle, created a golden image, and am now at 15 cycle counts of fully discharging and charging it. The Fuel Cell does not show that it is getting more accurate overtime, TimetoEmpty varies from 1% - 4% off ;~15 minutes to 50 minutes difference from the actual time to the TimetoEmpty value. I also always seem to get a Full Charge Capacity value in the range of 9000<x<10000 when ,I assume, it should have a value higher than 10000. I have set the battery in Data Memory as such
Charging Voltage = 4200mV
Taper Current = 500mA
Design Voltage = 3700mV
Design Capacity = 10400mAh
Charge Current = 2000mA
Discharge Current = 500mA
My goal is to have the TimetoEmpty value consistently around 0.4% or less (around 5 minutes). I am wondering if there is a setting I made a mistake on, missed when setting up the gauge, or something wrong with cycle setup on bqstudio. Is it possible for me to improve the accuracy to around 0.4% or less?