I want modified my efoil to boggye tow?

hi, my efoil burned and I have now only the electric motor and a battery( i have got 2 battery , the other one exploded in ocean!)
I want to modify it on boggy tow , i m going remove the foil.
what i can buy between the battery and the motor?, and i m going to install a remote control wired or just a switch 0 or 1… 0 or 100 %