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post #1 of 7 Old 06-19-2006 Thread Starter
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Battery Charger?

I recently bought an S2 7.3 (in excellent condition). There is a charger mounted next to the battery with a regular plug hanging out of it. I have the boat connected to shore power and the battery charge indicator is not in the green. So, my dumb question is: do I run an extension cord from the charger plug to an outlet to get the charger working?

TIA,
Jeff

Jeff B.
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post #2 of 7 Old 06-19-2006
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Sounds like you do. Probably whoever put in that charger just never got around to wiring it into the AC system, didn't know which was to ground it, or something similar and just kept it separate to make it quick & easy that way.
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post #3 of 7 Old 06-20-2006
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Jeff...Any charger with a conventional AC plug hanging from it is not a marinized unit and was probably designed to charge car batteries or for use in RV's.
As "Hello" suggests, you'll need to connect it to an electrical outlet on your boat or on the dock to get it working but I would caution you to NEVER leave the charger on an unattended while you are off the boat. Had a boat in my marina burn to the waterline some years ago due to corroded/shorted non marine charger.
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post #4 of 7 Old 06-20-2006
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The boat was probably designed to allow you to plug the cord from the charger into a nearby 120v AC outlet that is connected to the shore power system. That is the way it is on my boat....my charging needs are relatively minor, and this was the simplest way to do it—given the limited space I have to work with.

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post #5 of 7 Old 06-20-2006 Thread Starter
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Thanks for the replies! I will double check the charger to see if it is a marine charger.

Jeff B.
Shawnee, KS
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post #6 of 7 Old 06-20-2006
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There are quite a few "marinized" battery chargers that fit the description above. The one I have is waterproof, and is designed to be left on board a boat, and used to charge the batteries when the boat is docked or taken out of the water.

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post #7 of 7 Old 06-23-2006
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Guest used to sell a portable 6amp 3 stage charger in their Charge-Pro series. It was useful for boats that did not have shore power and even those that did. It plugged into a wall outlet and used alligator clips to attach to battery terminals. This is a marine charger.

When we bought our boat it had no shore power. We opted for this charger so that we could also keep batteries conditioned over the winter when they were removed from the boat. On board the charger sits on a shelf in the same area as the batteries and is connected to the ground on back of the electrical panel (where battery grounds connect) and to the center pole on the back of the Guest battery selector switch. Can be used to charge both or either by plugging in the charger and selecting the battery.

Our boat uses an outboard so the batteries are house batteries only. After a month or so with an extension cord hanging down into the cockpit locker I installed tinned wire, a Marinco on board 15 amp charger inlet, a single 110v outlet inside the cabin and an outdoor outlet under the cockpit. The charger plugs into the outlet inside the cockpit. It is essentially an extension cord made of marine grade wiring .... Same as the cord hanging inside but much neater.

I still have the Guest charger but spend many less nights aboard at the marina.

Guest still manufactures a similar charger which can be viewed at http://www.marinco.com/scpt/ProdPage...20Recreational

Regards

Mike
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