battery subwoofers

  1. W

    Will upgrading my battery while keeping my stock alt help my situation?

    I hear the alternator handles almost 100% of electrical when the engine is on. If the alternator runs almost 100% of the electrical when running then what do i get out of upgrading JUST my battery? Is it worth it to just upgrade my battery alone? I am trying to run a Skar ZVX-18. Thats 1500 RMS...
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