Finally got a final today, 15 mins on grass (East Shrewsbury), did it with no battery change on a 4s 5000 battery and finished ok, didn't do any warm up or slow down laps and drove a bit "sensible" (cut down on the braking!), finished with 3.3v left in each cell. Was geared 14/45.
Happy I can get 15mins out of one pack, means I only need one change for even a 30 min final!
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