ETron live battery charge

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/etron-live-battery-charge/
———————————————————————————
The live battery state is retrieved correctly when not navigating. During navigation the app shows the battery state about 20% lower than actual this leads to incorrect route planning and warnings about the state of charge.