Reference: AS 17.41.005_00
Battery case and aeronautical grade aluminum connector machined in the mass on a CNC machine. => infallible precision and solidity
Waterproofness: IP69 -150m.
Sealing is only guaranteed if the connector is assembled (male + female) and locked correctly. Indeed, if the connector is open, the water can circulate in the sheath of the power cable and go up to the battery box.