4D Batteries

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J

Joe

Hey - anyone install 2, 4d BATTERIES on a Hunter 320 or 326? I'm looking at the port and starboard setees and think I might be able to fit one in each side. Has this been done? I want lots of battery power, I've got a 1500watt Xantrex inverter/charger and 100amp Balmar alternator with ARS4 regulator, so charging is not an issue. Thanks - Joe
 

Hogan

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Aug 28, 2007
85
Hunter 260 Bay Springs, Ms
topic is close to subject

I am curious how you have your inverter connected to your boat wiring. Do you have the output of the inverter hard wired to the 110 bus in your 110 power panel? Does your inverter sense the 110 power from dockside when you plug in to dockside power and automatically stop producing power from the batteries and start charging the batteries? The instructions that came with my inverter are confusing on this point. Thanks Hogan
 
Dec 19, 2006
5,832
Hunter 36 Punta Gorda
I Have 4-D's

I have two 4-D's in my 2007 -36 hunter and I can tell you if it were not that they are new and came with my boat this April,I would be changing them to Trojan 6 volt batteries. They are very heavy and very big to handle when needing to move them and they are so heavy I am leaving them in the boat this winter. I also have a Fisher Pander Gen next to the 4-D's in my port locker and the boat did not sit level in water so weight was added to balance it out. If you see other sailboat owners are using two 6-volt in parallel= 210 amp hr add 2 more and you have 420 amp hours. Each 4-D= about 210 so you get the same but much easier to fit in boat and easier to handle. See JAVA site its a 356 that moved he's 4 -6 volt to the salon and also installed an inverter. I just moved my 4-D's in the salon and my back is still killing me. Nick
 

GuyT

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May 8, 2007
406
Hunter 34 South Amboy, NJ
Wire Length may be an issue

If you put one battery on each side, you will have battery to battery connection resistance and then you will have the resistance back to the inverter. These resistances need to be balanced to get the batteries to share current. They also should be kept to a minimum - so use heavy wire. If you do this (Battery 1/Battery 2) port/starboard setee scheme you should wire it like this: Inverter(+) to Battery 1(+) Inverter(-) to Battery 2(-) Battery 1(+) to Battery 2(+) Battery 1(-) to Battery 2(-) This shows a parallel connection between the 12V batteries and the inverter connection going to each battery. This is the best connection scheme for current share.
 
J

Joe

Inverter AC connection

The inverter I have a Xantrex 1500watt it senses the AC input, so the AC shore power connects directly to the AC input on the inverter and only to the inverter. The AC output of the inverter goes to the input on the AC breaker panel. The inverter has a 20amp output breaker and my shore power has a 30amp breaker near the shore power connection. Hope this helps.
 

Hogan

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Aug 28, 2007
85
Hunter 260 Bay Springs, Ms
Sure helps, but

I would like to have the ability to run purely shore power when it is available so that I have more wattage potential and also to reduce heating up the inverter. Any ideas on that? and when the inverter senses the 110 from dockside, does it just pass the power through to the bus on the house panel or does it restrict the potential wattage usage?
 
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