"Matt" wrote in
:

will be adding a second battery and a switch prior to installation of
the
audio equipment...



That's great for the beach. What's the CHARGING capacity to supply power
to it? Big amps turned up loud have 20, 30, 50, 60, 75, 100A fuses.
They're not fused that heavy to impress buyers.

And, please make SURE the wiring from battery to the amps is more than
ample to blow the fuses so we don't read about "burning boat" and "ensuing
fire". It's very easy to melt light wiring before the big fuses melt.