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| Author: | JFK2016 [ Fri Dec 09, 2016 11:08 am ] |
| Post subject: | 2008 four winns 318v |
HI All. I have 08 four wins 318 V and I use 3 same Interstate deep cycle battery SRM#29 CAN I use for house AGM deep cycle #31 because I have 2 refrigerators on the boat and if I use stereo or TV the battery go down so quick. Please help JACK |
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| Author: | Partycove2 [ Fri Dec 09, 2016 9:11 pm ] |
| Post subject: | Re: 2008 four winns 318v |
Your best bet would be to have two starter batteries (one for each engine) and 1 deep cycle for the ship. You can always add another deep cycle which is what I did, and I would suggest group 31's for the ship power. As far as lead acid, AGM, etc, they all need to be the same composition or you could damage your charger/converter. BTW: If your cockpit fridge shuts off too soon on battery power, replace the wiring to it with larger gauge |
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| Author: | 298VISTA2000 [ Sat Dec 10, 2016 10:25 am ] |
| Post subject: | Re: 2008 four winns 318v |
Just a side note, have you switched your lighting to LED because that makes a world of difference when it comes to drawing down a battery (at least for me it did)? |
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| Author: | JFK2016 [ Sun Dec 11, 2016 10:13 am ] |
| Post subject: | Re: 2008 four winns 318v |
I got 3 battery one for each engine and there one for ship,they all interstate #29 |
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| Author: | jnizi [ Mon Dec 12, 2016 11:02 am ] |
| Post subject: | Re: 2008 four winns 318v |
A couple of years ago I upgraded my ship system battery to a Lifeline GPL-31XT. It's has extended our capacity greatly. We did swap most of our lights to LED as well and I added a switch to shut off our DSM when we anchor out. I recommend going to a Group 31 battery if you can. |
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| Author: | JFK2016 [ Mon Dec 12, 2016 9:25 pm ] |
| Post subject: | Re: 2008 four winns 318v |
I Have Intel-Power (model PD 2030) battery charger system on my boat if the will be save for a battery charger to add bigger battery size #31 |
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| Author: | jnizi [ Tue Dec 13, 2016 3:36 pm ] |
| Post subject: | Re: 2008 four winns 318v |
I'll check which charger I have but it did have the capacity to handle the Group 31 AGM battery. |
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| Author: | babbot1 [ Wed Dec 14, 2016 1:26 pm ] |
| Post subject: | Re: 2008 four winns 318v |
Take it for what its worth on the West Marin site. I was looking to replace my charger and wanted to see what I needed and stumbled across this. "A good rule is to have enough amperage to equal the sum of the DC loads plus 10 percent of the amp-hour capacity of the batteries." http://www.westmarine.com/WestAdvisor/Selecting-a-Battery-Charger One thing to note on the new chargers is that some load share. An example is if its a 60 amp total charger with 3 banks. It can send all 60 amps to one battery if the others are fully charged. But I haven't run into a charger that can charge different chemistry batteries at the same time but its not necessary to all be the same size. |
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| Author: | deafwish [ Thu Dec 15, 2016 3:13 pm ] |
| Post subject: | Re: 2008 four winns 318v |
Just remember that you should not ever use more than 50% of your deep cycle battery's capacity (Depth of Discharge). If you buy a 220AH battery, base your calculations on only being able to use 110AH. |
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| Author: | alex8q4 [ Sat Dec 17, 2016 1:03 pm ] |
| Post subject: | Re: 2008 four winns 318v |
Curious, what is the harm in running 1 starting battery and 3 house batteries. In an emergency the house batteries could start an engine. |
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| Author: | Surface Interval [ Sat Dec 17, 2016 5:10 pm ] |
| Post subject: | Re: 2008 four winns 318v |
There should not be any issue with running more than 1 house battery. I have 2 group 31s. Others have used 4 6v golf cart batteries. These would be connected in pairs in series to get 12 volts, and the 2 pairs connected in parallel to double the amperage capacity while keeping the 12 volt configuration. The only issues are having a charger that will deliver enough amps for recharging, and weight or available space. Having a larger house bank gives you the option to run longer on the batteries for stereo, lights, galley, etc. If you have an onboard generator you probably don't need a large battery bank. |
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| Author: | babbot1 [ Mon Dec 19, 2016 3:24 pm ] |
| Post subject: | Re: 2008 four winns 318v |
alex8q4 wrote: Curious, what is the harm in running 1 starting battery and 3 house batteries. In an emergency the house batteries could start an engine. The only harm I would see is if the starting battery gets damaged, like a lost cell or something catastrophic, then its hopeless even to jump it. I've had a couple car batteries all of a sudden loose a cell. Very annoying and not at a convenient time. If you can swap a house battery in its place then your fine but be careful using a true deep cell battery for starting. That is not recommended on newer engines with electronics. A deep cycle battery cannot supply enough amperage to the electronics while starting and could fry the computer(its noted in my VP manual) But swapping a battery, especially in a crisis, is a pain. |
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