MY OLD WHITES PI PRO STRATED LEAKING - EVEN WITH NEW SEALS - THE BOX HAD WARPED FROM BEING IN THE SUN
SO I WOULD USE MARINE CAULK TO SEAL IT - DONT KNOW ABOUT YOUR MACHINE - MY BATTERIES WOULD LAST LONG TIME -
SO I WOULD JUST RESEAL IT EACH TIME - NEVER LEAKED AGAIN - CAULK TURNS TO LIKE A RUBBER - YOU CAN GET SALTWATER PROOF ONE
MAYBE WORTH A TRY - TRY IN FRESH WATER FIRST SO WATER DOESNT DAMAGE