I forgot to unplugged my boat, which would be ok if a big rain storm did come by. The inside of my boat was full of water and I didn’t realize this until days later. Now my 2 bank battery charger tripes the gfi plug. Fuses are ok, my question is this, is it time to buy a new charger? The one I have is about 4 1/2 years old. All input are welcome...thanks 

ps I’m going fishing this Friday...I hope

How long has it had to dry out?

I would hope a marine rated charger wouldn't get damaged by water. A stated above, has the boat dried out? Maybe there is a connection somewhere that is causing a short from the moisture.

Not unusual for a gfi to do that, heck I have one that trips when I plug in a leaf blower.  Plug it in a normal outlet....it is still fuse protected 

@jbsoonerfanit been a few days to dry out. @slonezp it seems to have water or moisture it it.

I suck at inboard chargers. I use a $20 3 amp charger instead. When one battery is full, hook it to the next one

54 minutes ago, TnRiver46 said:

I suck at inboard chargers. I use a $20 3 amp charger instead. When one battery is full, hook it to the next one

I used a $20 charger for years until the boat monkey found out about it.

1 hour ago, Tennessee Boy said:

I used a $20 charger for years until the boat monkey found out about it.

I do have a big battery charger on wheels if for whatever reason I need to charge something up really quick if a battery somehow went all the way dead. I’ve always referred to it as the defibrillator 

Don't charge deep cycle marine batteries using 200 amp quick chargers. 

Dry out the onboard charger if possible using a hair drier, it's not submersible it's water resistant. Take the charger out of the boat and inspect it for any moisture inside. Shake it hard, turn it over etc. Test it on the bench not connected to any batteries for shorting.

Hook up one battery to a bank lead and try it, test each bank. If it works on the bench reinstall it. If not....you need a new charger.

Tom

If the bench test works - babysit your battery charger and check on it. Nothing like seeing it work for 5 mins and it goes out 10 mins later and you have batteries that are not fully charged.

 

New 2 bank charger at 5amps each bank is only like $75 after $25 rebate from Minn Kota.

 

Minn Kota MK-210D

 

Minn Kota Battery Charger Rebates

I took out the two bank charger and am monitoring it now and will see what happens in the morning. At least it’s not tripping the gfi. I do have it hooked up to 2 batteries. So far all seems ok.