dual battery set up

Discussion in 'Audio, Video & Gadget Tech' started by jasong, Jan 14, 2009.

  1. jasong

    jasong New Member

    when installing a second battery, does the wiring go: positive to positive and negative to negative? or does it go: positive to negative and so on?

    for the life of me i cannot remember how to do it so it gives me 12 volts and not 24 volts:) i think its positive to positive and negative to negative...

    thanks in advance
  2. Crawdaddy

    Crawdaddy All hail the Mad King!! Staff Member 5+ Years 1000 Posts Platinum Contributor

    you want to parallel it all, positive to positive, negative to negative...any other way will smoke all the electronics. :gasp: However, you probably want to install a battery isolator while you're at it to keep the batteries from killing each other due to different battery age and such...
  3. jasong

    jasong New Member

    thats what i was thinking, thanks for the reminder:)
    oh and the isolator is a good idea to, i had planned on getting one.

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