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<blockquote data-quote="audiolife" data-source="post: 2275817" data-attributes="member: 541383"><p>deep cycles are generally used because they have alot greater reserve capacity. the more reserve you have the more potential the extra battery has to keep the voltage from falling off over a greater period of time. you also have batteries that burst well but fall off over time in use (less reserve) it all depends what the situation/system calls for. people will say &quot;you dont need that&quot; or offer their 2 cents in. the way i look at it is this. you spend $ on your system to do what you want. if it is powerful and has some expensive subs/amps and you like showing it off at all the worst thing the extra batt will do is HELP protect your gear. it helps in performance over a range as well. a battery with a low esr also helps as it charges and disperses power. what is more of a load to the alt? a wet cell lead acid battery or a much lower esr agm cell? we know that a high esr cap doent do too much so how will a battery with a really high esr help a great deal?why do serious people only use specific types of batteries for their systems? im not branding anything either so one cant say im persuading that route. if knu is doing this test if he could have him try it with an old school starter battery and maybe one of those batteries he used that is agm.</p></blockquote><p></p>

[QUOTE="audiolife, post: 2275817, member: 541383"] deep cycles are generally used because they have alot greater reserve capacity. the more reserve you have the more potential the extra battery has to keep the voltage from falling off over a greater period of time. you also have batteries that burst well but fall off over time in use (less reserve) it all depends what the situation/system calls for. people will say "you dont need that" or offer their 2 cents in. the way i look at it is this. you spend $ on your system to do what you want. if it is powerful and has some expensive subs/amps and you like showing it off at all the worst thing the extra batt will do is HELP protect your gear. it helps in performance over a range as well. a battery with a low esr also helps as it charges and disperses power. what is more of a load to the alt? a wet cell lead acid battery or a much lower esr agm cell? we know that a high esr cap doent do too much so how will a battery with a really high esr help a great deal?why do serious people only use specific types of batteries for their systems? im not branding anything either so one cant say im persuading that route. if knu is doing this test if he could have him try it with an old school starter battery and maybe one of those batteries he used that is agm. [/QUOTE]

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