Reboots by running OsmAnd navigation on a charging LOS Fairphone2

I’ve noticed that running strava sometimes causes reboots and sudden battery drains. Whilst on a long cycle, I’ll check my phone and notice strava has faulted or I’ve had a reboot. Obviously its using GPS to track my movents.
I’ve posted previously about this here 🇬🇧 🇩🇪 Random reboots with (official) Lineage OS?
Here’s another screengrab of the battery behaviour when this issue happens (from today)