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adding a second battery?


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Alright so I have a yellow top under the hood and am running roughly 3000rms, my voltage is terrible and drops down to 12 volts if im not carefull. There is a 240amp rebuilt alt under the hood and 0 gauge throughout. I came across a extra battery laying around and am curiouse if you can run it with the yellow top in parallel. The battery is a Interstate Marine/rv deep cycle battery here are some specs. Pretty well just wanna know if this would be worth setting up. Thanks

Interstate SRM-27 Deep Cycle Marine & RV Battery 600 CCA

Chemistry Conventional (Wet Cell) Voltage 12.0 V Capacity 96 Ah Rating 1152 Whr CCA 600 Cell 6 cells Connector Marine

134db

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i always seen on the net that your not supposed to run wet cell with agm batteries...... not too sure why or if its true but i would avoid it until you know for sure.

have you done the big 3?

maybe try selling that battery and buying another yellow top.....there not that expensive

i think there real i was looking through that guys stuff he sells and it looks like he finds stuff at auctions and just sells it

Yea, it looks like someone got the mids about a month ago....shit. If I had a whole Hertz front stage my ears would jizz all over my cheeks.

/ LOL

My Low Budget Build:

Green 1995 Subaru Legacy wagon 147k- $1K

headunit- pioneer premier deh-p650-$25

4 Lead acid batts. 1 up front and 3 in back- vented outside.- $50

4 vvme L11 10"s <- $30 shipped a piece

6 cu. ft box (after displacment) tuned to 32ish hz with 10 inch sonotube. -about $50 all together maybe a lil more

2 aspm 1300 strapped

Selenium 6"s in the front doors on headunit power- for now -$20

quantum tweets in door-for now -$10

boston acoustic 5 1/4 in rear doors- for now-Free

big 3

1/0 and 4awg throughout.

roof sound deadened (not peel n seal ftw)-free

on 80 amp alt (bench tested to put out 100 amps faithfully) <--?-$10 for test

about $430 for everything<----Not bad at all

still gotta add 3 way crossover, amp for front and rear door speakers and maybe eq

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Yeah you can still run it, wont work as well but will still work. 95legwagon was referring to resting voltage of the batterys, the agm will have a higher resting voltage and will continually drain the other battery, possibly shortening the life of the higher resting battery. I would honestly think a clock or alarm would do the same thing, but i could be wrong.

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