Plan is weird

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Plan 1: destination is a restaurant next to the charger
https://abetterrouteplanner.com/?plan_uuid=bbab5afb-00bc-4786-a3f3-a5f998b56ea4
247km, 1 charge stop for +9%, arrive with 11%. Duration: 2h31

Plan 2: destination is the charger itself
https://abetterrouteplanner.com/?plan_uuid=40d34c94-ee46-4908-9aee-dd44002d0254

283km, NO charge stop, arrive with 17% @max 100kmh, duration 3h8

I've set arrival at destination and at charger both at 10%.

The problem is not the detour it takes because of the tiny little one way road at the service station, which prevents to drive from the restaurant to the charger, but the huge difference in planing results: take no stop for 280km, but take a stop for 250km.