Have a 1521/1Y , brilliant. nuff said.
Bought a 1515/2D, fitted to same boat.
6S1P5000 25c
logged 80A cont, one spike to 119, well within motor and battery limits.
Run 1. wickedly good. :D
Run 2. slowing down :angry:
Run 3. barely made 100' :blink:
Lifted the lid, battery on wrong...