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<blockquote data-quote="Roland" data-source="post: 8411140" data-attributes="member: 647142">So many blanket statements, wow.If you don&#039;t have any voltage drop with your current set up, 1000 batteries won&#039;t help. (while the engine is running)If you do have voltage drop with your current set up, adding a battery MAY help. (so may having a better wire, or a better ground connection, a better single battery...Not knowing your subwoofer &amp;amp; box , and specific amp how hard you push it... we can&#039;t be very exact. But generally a systems with only one 1000 watt amp with a 100 amp alternator and a good battery good wire and connections, won&#039;t have voltage drop.Personally I would never add a second battery without knowing the one battery i do have is in perfect, new like condition, maintaining 12.6 volt for 24 hours.FWIW, adding a batteries does add more load on your alternator, poor condition batteries also add load to your system.</blockquote>

[QUOTE="Roland, post: 8411140, member: 647142"] So many blanket statements, wow. If you don't have any voltage drop with your current set up, 1000 batteries won't help. (while the engine is running) If you do have voltage drop with your current set up, adding a battery MAY help. (so may having a better wire, or a better ground connection, a better single battery... Not knowing your subwoofer & box , and specific amp how hard you push it... we can't be very exact. But generally a systems with only one 1000 watt amp with a 100 amp alternator and a good battery good wire and connections, won't have voltage drop. Personally I would never add a second battery without knowing the one battery i do have is in perfect, new like condition, maintaining 12.6 volt for 24 hours. FWIW, adding a batteries does add more load on your alternator, poor condition batteries also add load to your system. [/QUOTE]

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