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Author Topic:   Battery Charger for 23-foot boats
ivansfo posted 01-24-2005 06:02 PM ET (US)   Profile for ivansfo   Send Email to ivansfo  
Anyone here have an onboard battery charger installed in their 23 Conquest or Outrage? I like to add one to my 23 Conquest but just can't think of a good mounting location.

I like to mount it somewhere above the bilge where it's easily accessible for an extension cord.

Thanks,

Ivan

Backlash posted 01-24-2005 08:29 PM ET (US)     Profile for Backlash  Send Email to Backlash     
Ivan,

Most marine battery chargers are not waterproof and should be mounted in a dry location with good ventilation as they will heat up during charging. Get a Marinco #150BBI, 110V, 15 amp waterproof battery charger inlet and mount it in an easy to reach location (splashwell?) for your extension cord. Hard wire 3-strand 14 ga. marine (Ancor) wire from the inlet to your charger. Boatfix.com has the Marinco inlets for $13.31.

Steve

Ed Stone posted 01-24-2005 09:33 PM ET (US)     Profile for Ed Stone  Send Email to Ed Stone     
Open the hatch for the batteries and mount a guest
2010 or 2011 dual bank charger as far forward as
possible against the outer hull.

On my 23 there was just enough room to mount the
guest charger.They claim to be water proof.

Ed Stone

ivansfo posted 01-25-2005 04:07 PM ET (US)     Profile for ivansfo  Send Email to ivansfo     

Steve, I didn't know you can hook up an extension to these chargers. This does open some options as I can now mount the charger up in the helm somewhere. However, I prefer not to have such a long cable run to the batteries.

Ed, I was exactly looking at the Guest chargers. They do claim to be waterproof so perhaps mounting it high in the bilge is an option too.

I'll be replacing my batteries in a few weeks so while I have them out, I'll scope out the area for room.

Thanks for the tips.

Ivan

tully_mars posted 02-01-2005 02:29 PM ET (US)     Profile for tully_mars  Send Email to tully_mars     
I used to own a 23 Conquest, I would think a great place would be behind the shelves next to the captains chair. The shelves are molded plastic and are screwed into fiberglass cabin.

I get this idea from the port side behind the shelves are where the water pumps (fresh and raw) are mounted behind that shelf.

It would be easy then to run the wires underneath the deck back to the batteries in the stern. It would also be high and dry up there and closed to the electronic switchboard where you could wire it to the Accessory switch.

Capt. Tully Mars

tully_mars posted 02-01-2005 02:31 PM ET (US)     Profile for tully_mars  Send Email to tully_mars     
Also, for the 120 AC plug in you could then place your shore power plug right below the captains chair against the wall close to the charger.

Guest makes some nice chargers.

Capt. Tully Mars

Backlash posted 02-01-2005 04:27 PM ET (US)     Profile for Backlash  Send Email to Backlash     
Ivan,

My Guest 2-bank charger is an older model that must be hard wired - does not have a cord with plug. I have it hard wired to the Marinco inlet mounted in my splashwell.

If your charger already has a cord with plug, either cut the plug off and hard wire to inlet or hard wire a female plug to the inlet and plug in your charger.

I have a 10' run from my charger to the batteries and used 12 ga wire which is more than enough for the 10 amp charger.

I would mount the charger in a dry location regardless if it is "waterproof" or not.

Steve

jimh posted 02-01-2005 10:56 PM ET (US)     Profile for jimh  Send Email to jimh     
A good mounting location would be as far from the bilge as you can get.
ivansfo posted 02-02-2005 03:19 PM ET (US)     Profile for ivansfo  Send Email to ivansfo     
Thanks for the further suggestions. I don't like to mount electronics in the bilge too and you're right that it's not a good idea even though some claim to be water proof. Ideally I like to mount it in the starboard rear quarter when my Perko switches are factory mounted. But there's no way a charger can fit in there. Everywhere else back there is inside the bilge.

Sounds like the next best place is behind the shelve paneling behind the electronics switches. I know there's plenty of dry room back there because I currently have my AP brain mounted there.

I'll likey mount it there but running 2 pairs of 12 gauge Ancor wire to the batteries in stern is going to be expensive! I know....nobody ever said boating was cheap ;-)

Thanks for all the tips.

Ivan

Ed Stone posted 02-02-2005 08:11 PM ET (US)     Profile for Ed Stone  Send Email to Ed Stone     
If the batteries are mounted in the bilge area
why would it not be ok to mount the charger almost
a foot above the batteries?

I also have to wonder what the boat designers/
engineers were thinking when they put the batteries
in the same closed area as the bilge pump.
Ed Stone

bsmotril posted 02-02-2005 10:30 PM ET (US)     Profile for bsmotril  Send Email to bsmotril     
I agree with Tully, there is a lot of room behind that trim panel on the side of the helm. Once you get it off, you'll be amazed what you can fit back there. To compensate for the added distance to the patteries, you can run heavier gauge wiring than what is normally used. Since the run will be about 15-18 feet, I'd go up two gauge sizes in the cable. If that is not an option for you, you might consider mounting it up insde the transom that houses the fold down seat. It will be difficult to do that with a fesh water tank option as clearance to reach up in there from either the cockpit deck hatch, or battery hatch will be tight.
BillS
bsmotril posted 02-02-2005 10:33 PM ET (US)     Profile for bsmotril  Send Email to bsmotril     
Ed,
Even though the batteries are in the bilge area, they are up on platforms, about 14-16 inches above the bottom of the bilge. That is a LOT of water in that hull to reach the batteries. That said, it is not an ideal design, I agree. If they had made the transom a bit thicker, they could have mounted them at deck level behind the folding cockpit seat.
Bills
tully_mars posted 02-02-2005 11:35 PM ET (US)     Profile for tully_mars  Send Email to tully_mars     
I thought about this some more today. If you are going to ever hook the boat up to "shore power" while the boat is in the water you will want to make sure you have a galvanic isolator installed between your hookup and power distribution. Otherwise you risk anything metal on the boat have a shorter than normal life span. A good friend of mine rewired his boat and didn't re-connect his isolator, it cost him two stainless shafts 6 months later.

Capt. Tully Mars

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