battery dying out with my system

[migsif 10+ year member]

my battery started dying out so I disconnected my amps and it hasn't died out no more.....They checked out my battery and alternator and they said they were good...when I had my system connected my lights would dim.....what do I need to do?........I got a Memphis class D mono block amp(1000 watt rms at 1 ohm)...and a kicker kx150.4 amp...and a crossover..and 2 12inch audiobauhns...What should I do?

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[bigwheel15 10+ year member]

Well you can get an optima or other deep cycle battery and see if that helps but if not you probably need to get an alternator with a higher output.

Hope this helps.