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Thread: Batteries for Upgraded Stereo
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04-25-2018, 02:30 PM #11
I thought they stated to start the boat on 1+2 then switch to 1 or 2 after cranking? At least I hope they did as that is the way I have done it in all my boats and have never had an issue. Same batteries for 3 seasons, and almost always plug them in at the end of the day. You guys that run the dual batteries plus a third, does your system sound as good with the boat off as it does running? I notice a slight drop off between the 2. I'm running around 2000 watts give or take.
2018 Supra SA400 aka The Ron Burgandy
2011 Sea-Doo Wake 155
2015 Mojo Surf, sold...2013 Axis A22 Recon Edition, sold...2010 Axis A22, sold...2007 Maxum 1800sr3, sold
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04-25-2018, 02:34 PM #12
Yes, the variable in this equation is the addition of a SYN-DX HP2.3 & a XXX. I understand there is not a direct correlation between wattage & amp draw but was merely using 2500 watts as a baseline.
Sent from my SAMSUNG-SM-G935A using Tapatalk2017 Moomba Craz Surf Edition
Flow 2.0 Surf System w/ AutoWake™
5,600 Lbs Ballast - Enzos + Lead + Sumo
Wet Sounds REV10s + REVO12-XXX
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04-25-2018, 02:38 PM #13
Hey RC, is this a brand new boat?
2018 Supra SA400 aka The Ron Burgandy
2011 Sea-Doo Wake 155
2015 Mojo Surf, sold...2013 Axis A22 Recon Edition, sold...2010 Axis A22, sold...2007 Maxum 1800sr3, sold
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04-25-2018, 03:04 PM #14
Batteries for Upgraded Stereo
Sounds like you have a weak or maybe dead battery. Second possibility is alternator not working right. I don’t think the amps are going to leave you stranded in 15 minutes. Lots of three amp systems running off dual batteries out there.
Sent from my iPhone using Tapatalk2017 Supra SA
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04-25-2018, 03:16 PM #15
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04-25-2018, 05:27 PM #16
A dead battery is called a load and very good one at that. A dual battery system is no stronger than the weakest battery.
1998 Mobius
310 HP PCM
SOLD
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04-25-2018, 05:40 PM #172017 Moomba Craz Surf Edition
Flow 2.0 Surf System w/ AutoWake™
5,600 Lbs Ballast - Enzos + Lead + Sumo
Wet Sounds REV10s + REVO12-XXX
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04-25-2018, 06:38 PM #18
Pull them out and take them to oreilly. They will load test and charge them for free. Then there will be no question.
If your boat was running for all but 15 minutes out there, the batteries should have recharged most of the way unless you were killing and cranking it every few minutes. The stereo should not be pulling that much on the batts. I would be checking all power and grounds that they might have touched in there wiring up the new amp.Overkill is underrated
2006 Supra 24SSV Gravity Games- traded but never forgotten
2017 Supra SA 400
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04-25-2018, 06:47 PM #19
Your boat may be one season old, but those batteries may be much older. Batteries are a dealer installed item when the boat is new. They could have used new ones that had been sitting a long time or used some that are super cheap. Like broke pilot said, pull and take in. You can also take the whole boat and have the entire system load checked. Best of luck.
2018 Supra SA400 aka The Ron Burgandy
2011 Sea-Doo Wake 155
2015 Mojo Surf, sold...2013 Axis A22 Recon Edition, sold...2010 Axis A22, sold...2007 Maxum 1800sr3, sold
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04-25-2018, 06:57 PM #20they will load test and charge them for free
Id start with a volt meter and take some readings. if they batteries are low, charge them where they are. A volt meter can tell you a whole lot without have to pull batteries or alternators and haul then to the auto parts store.