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Thread: Best way to power a big boat stereo?

  1. #1
    CA Stu
    What is the best way to make sure that after an all day jam sesh at Sandbar you can still fire up your boat and drive it on back home?
    Mass batteries? (What type?)
    Generator? (How do you plumb and wire one?)
    Thanks
    CA Stu

  2. #2
    ROZ
    This is MBrown's territory

  3. #3
    TrojanDan
    Carry jumper cables.

  4. #4
    CA Stu
    That's the way to make friends, fer sure

  5. #5
    ROZ
    Originally posted by CA Stu
    That's the way to make friends, fer sure
    Just make sure their loooong A few xtra beer won't hurt either

  6. #6
    riverbound
    We use battery isolators on all the installs we do. We also make sure that the system is not wired to at least one of the batteries that way there is always one to start the boat.
    we also use a piece form pac electronics (bg-12) which automaticly shuts the stereo off if the voltage drops below 11.6 volts. it also has a three color led that lets you know the condition of your batteries, (green=good yellow=time to think about charging red=stereo off time to start boat)
    we usually run optima batteries (yellow top) to power the system and these have been the most reliable for us 6seasons on my boat and no problems.

  7. #7
    Havasu Hangin'
    Originally posted by riverbound
    We use battery isolators on all the installs we do. We also make sure that the system is not wired to at least one of the batteries that way there is always one to start the boat.
    When using an isolator, isn't there a 1/2 volt drop across each diode?

  8. #8
    riverbound
    When using an isolator, isn't there a 1/2 volt drop across each diode?
    I have not experienced any voltage loss using the isolators

  9. #9
    Havasu Hangin'
    Originally posted by riverbound
    I have not experienced any voltage loss using the isolators
    Do you have one in your boat? If so, put your voltmeter on each side during operation. I'll bet $1 that there is drop on the battery side.

  10. #10
    ROZ
    I guess it depends on whether or not he has his installers use doide or solenoid type relays.... Solenoid has no voltage loss, but may have a shorter life span..
    If he is using diode type relays, the voltage loss(like HH says is about .5 volts) means that the batteries never see enough voltage to have a full charge ...

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