Hi
Ok, so what kind of problems *could* you have?
1) The batteries go dry from to much charging ( ... so check the water levels ...)
2) The batteries go flat from parasitic loads ( .... that's why the charger ...)
3) The batteries go flat and then freeze ( ... see 2 above
).
4) The trailer / MH catches fire from a defective charger ( .... insurance ....
)
5) Power to the charger fails
6) Meteor impact....
7) Zombie apocalypse ....
8) Alien invasion ....
That's pretty much the full list
Bob