I have two chargers and two hubs. I have noticed that the number of bars I get on either hub depends on which charger I use. One seems to give me five bars on both hubs, the other never does.
Here is what I could find:
"The SOC gauge will automatically calibrate itself over time to ensure it is accurate throughout the life of the battery (i.e. throughout the battery life a full SOC gauge will be shown when the battery is fully charged, even though the capacity will gradually become...