Can someone comment/advise me on a battery that is long lasting and can more importantly take the abuse of a stereo system with subs that get's alot of play time while on the boat. (engine not running, just anchored out on boat.) I currently have 2 yellowtop optimas in tandem that are about 5 years old and they seem to not hold a charge as long as they use to? thankyou in advance for any comments.
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