JIm_Andrea
Well-Known Member
So I've got the boat out of the water for its annual service and deep cleaning. Im looking into doing a serious upgrade to my stereo system and need a little help. Im leaning towards a JL Audio system with a Fusion head unit. I plan on adding the JL Audio M800/8v2 amp, custom enclosure for a 10" JL sub firing down behind the drivers chair, Fusion 650 3 zone head unit. My question is I currently have a single battery setup. I plan on adding stereo batteries isolated from the main system with external charger at the dock. According to a battery calculator i found and using the max amperage draw of the amplifier at 80amps i would need a 212AH agm battery to run the stereo at full volume for 1 hour. Now that will NEVER happen but i can't find anything that tells me what the amp draw is at lets say half power. I would assume less then 40 amps but even that would require over 300AH worth of batteries to run the stereo for 4 hours continuous. Does anyone have a similar setup or any suggestions as to the number of and type of battery to get for this setup? I will be using my existing battery to run all my LED lights and head unit. I am slightly limited on space for the additional batteries as I don't have the center fuel tank even though I have the ESP package ( got a great deal on the boat used so I deal with it ). I can add batteries under the other lounger but my wife insists on keeping the changing room.