I have a 2001 Allegro Bus 40 RP. I am looking for disconnect switches to disconnect my house batteries and starting batteries while in storage, the only disconnect switch I have right now is a toggle switch by the door that reads 12V disconnect. Even if I turn it off, there is still a parasitic drain on the house batteries somewhere. I have tried plugging in to 15 amp service (also setting the invertor/charger to 15 amp supplied service), and have kept the batteries topped off with the Quick Fill system. I have also tried trickle chargers, etc. I always wind up boiling over the batteries, corroded cables, etc. Recently I have been disconnecting all the batteries when in storage which is really a pain. I have 4 12V house batteries and 2 starting batteries. I am looking for a way to totally isolate all the batteries when in storage. Any ideas appreciate.