On Nov 16, 4:42*pm, wrote:
Why not use a traditional split charge relay.
Alternator *output then becomes the limiting factor

I didnt think you could charge a deep cycle battery in an
automotive system without damaging the battery. Its my understanding
that car batteries are designed for a quick charge at realativly high
current while deep cycle batteries require a long low current charge.
To make it work thought you had to have a special charge regulator for
the deep cycle battery.

Jimmie