spade
Full Member
Posts: 23
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Post by spade on Jan 26, 2020 9:28:33 GMT -5
I am looking at purchasing a 2020 Regal 35 SC. I will be trading in my 2017 2300 Surf. Because of a charging issue I could never get resolved on the 23, I purchased a new pair of X2 Group 27 AGM batteries back in 5/2019. I'm trying to decide if I want to keep the batteries I just purchased and ask the dealer to swap them out. I am curious if anyone knows how many and what make and model/ type batteries come in the 35 SC? Does the 35 use dual purpose batteries for everything or a starter (for starting) and deep cycle (for house) batteries. I'm torn because the batteries were not cheap and are brand new. In the end, I don't think the dealer will care what battery is installed in the trade as long as it has them. Thanks for the help |
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Post by rlazar on Jan 26, 2020 10:36:57 GMT -5
The 35 should have 3 batteries. Two starting and one house battery.
The all need or should be the same type as they matters on how the battery charger is set. I’m sure others will chime in more detail who have the 35SC
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Post by lg260ss on Jan 26, 2020 12:12:38 GMT -5
I'm pretty sure the batteries in a new boat are always installed by the dealer, so you will need to ask them what kind they use. My 33 express came with 3 batteries, Group 31's.(same setup as the 35sc) We had the dealer add a 4th battery(2nd house battery in parallel) and I installed a blutooth battery monitor that works with an app on my phone and shows me real time battery information. It allows me to stay out extended periods and I know exactly when I need to run the generator to charge up.
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Post by xixp on Jan 27, 2020 9:30:19 GMT -5
I own a 2016 Sc35 delivered in Aug 2015. (VP 300 5.7 ).
As it was described above it has 3 batteries; 1 house; 2 starting.
Mine was delivered with 3 starting wet Group 27 batteries (Interstate).
Needless to say the house battery didnt last a lot (3 years) so ive replaced it with a Group 31 deep cycle Deka wet battery (the trays can hold Group 31 ). As it was mentioned above the charger needs to be set for one type (you cant mix wet, agm or gel).
The Group 27 starting are still performing well (i take care of my batteries) and honestly i would not put bigger (at least with my engines). Furthermore is a pita to access those batteries so the smaller the better. The engines batteries are practically only used for the engines and the genny so they dont see a lot of work so Grp 27 work fine.
In your case i would put those you got for the engines and i would ask the dealer to put a Group 31 of the same type as house.
With Group 31 ive never had the need of starting the genny after a day ion the hook so for most applications it will perform good.
Hope it helps...
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Post by gofast24 on Jan 27, 2020 11:07:59 GMT -5
My experience= Bought our 4160 in 2014, all engine starting and gen starting batteries wet (flooded) group 27 batteries. All almost dead. The house battery in vessel a BCI group  also wet, most of the electrolyte had boiled out and into the battery box (over discharged and over re charged) . Solution = Replace all engine starting batteries with group 34 AGM and group AGM house battery with AGM.If you have room in your battery boxes suggest a group 34 AGM, only cost a few dollars more than wet/flooded). Just make sure your battery posts (+/-) are in the same place as current batteries and reset house battery charger to AGM if your house charger has that capability) 6 years since then all batteries functioning fine including house battery. Yes, when making this change, I switched the Charles battery charger switch (located on the back of the charger in the engine room) from flooded (wet) to AGM. You have to remove the charger from the bulkhead to get at the switch! Also, to allow maximum life on the house battery I installed a Blue Seas 2" OLED digital house battery voltage gauge (+/- 0.1 VDC) on the helm,purpose, to not discharge house battery below 12.4 VDC, (approx 50 % discharged) which will double battery recharge cycle life if followed. Regarding load on our house battery = DC freezer/fridge, 60 PSI fresh water pump, 2X vacu flush toilets,1200 watt audio system, cabin and deck lights, sump pump (2X), bilge pumps (2X) etc. With a lot of people on the boat and lots of head usage and audio blasting we can make it to about 6 hours before getting from fully charged (12.9 VDC) to 12.5 VDC on the house battery. Then either stop friends from using toilets, turn down audio system to reasonable level , or start gen set. |
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spade
Full Member
Posts: 23
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Post by spade on Jan 31, 2020 9:39:10 GMT -5
Thanks everyone. Awesome and helpful info!
The Dealer was not interested in helping but I expected that. Im going to stick with the batteries that comes with the boat for now.
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Post by gofast24 on Feb 1, 2020 10:20:51 GMT -5
Hard to believe the dealer wasn't helpful unless he quoted you the cheapest batteries that would just work, then doesnt want to add any cost to your vessel that he didn't plan on! You should bring up this battery situation up again even though he probably wont do anything about it. From you aluatation it seems like you are buying used? That's probably why he doesn't want to help out in any way?
As you are purchasing the boat with the as is batteries you may want to check the electrolyte level (assuming they are flooded (wet cell) and get a "cranking amps" test on all of them. That will tell you if they are close to expiring or they have some life left in them. Question= How many hours on the engines (hour meters)?
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also wet, most of the electrolyte had boiled out and into the battery box (over discharged and over re charged) . Solution = Replace all engine starting batteries with group 34 AGM and group