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Battery Isolator for Car Audio or Marine batteries

If you plan to add a second, third or rack of batteries do not forget to purchase a

battery isolator

! The purpose of a battery isolator is disconnect the batteries from each other when they are at an idle state. If they are left connected together they will eventually drain each other until nothing is left. These are great for both car audio and marine battery setups.

Car Audio Battery Isolator at HalfPriceCarAudio.com