wow id a thunk it------- that at least some one would know

 

What type of batteries do you have? Wet cell or AGM? Are you talking an onboard charger?

 

3 wet cell and its an onboard charger i plug in at the house but gets wet on the boat

 

My guest onboad just died,I bought a cabellas 3 bank 10amp,it has a switch for dry or wet,I have no idea if it's any good or not,the price was right, it is waterproof for salt or fresh



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10 amp w/ maintainer

 

I use 2 MinnKota 15 amp, 2 bank chargers on my boat, maintaining 4 batteries. They've worked flawlessly for 6 years. Had them on my old boat and just transferred them to the new one when I traded. Mounted under the console, out of the weather and water. I've heard good things also about the Pro Mariner chargers. Most of them don't like to be soaked in salt water. The more capacity the charger, the shorter the time it takes to charge your batteries. Only downside to the larger chargers is the weight.

 

If your wanting an Onboard again, get a Minn Kota, 3 bank (10 or 15 amp) 3 year replacement warranty, it has held up for ME the best

 

I agree with the Minnkota. Get a 15 amp so you'll have 5 amps per bank.

 

The more amps you charge with, the closer attention you have to pay to water levels in wetcells. I like 10amps max for wetcells, more is fine for AGM.

 

If you have a 3 bank charger with 5 amps per bank then you have a 15 amp charger which is 5 amps more than the 10 amp charger that went bad.

The beauty is since you have a 2 wired in series, the charger is putting a combined 10 amps to that bank (trolling motor) and 5 amps for the cranking battery. If you're not running a lot of electronics, stereo or the like that cranking battery will be charged the motor after cranking and will be topped off in no time from the charger.

As mentioned, a charger with a maintainance charge is best. Most new chargers are dual charge and maintanence. I'm a fan of Minn Kota chargers - good quality and solid reputation.

Feel free to give us a call for any assistance or you can buy from us in the future too.

 

I recently bought a 2 bank Noco Genius Gen2. Researched a bit and like what I read regarding reviews on this brand.

They also make a 3 bank 30A (10A per bank) GEN3.

 

I recently bought a 2 bank Noco Genius Gen2. Researched a bit and like what I read regarding reviews on this brand.

They also make a 3 bank 30A (10A per bank) GEN3.

I recently bought the same charger and am super impressed so far. What sold me was the fact that this charger is essentially 2 separate chargers built into one unit so it doesn't care if the chemistry of the battery is different. In my case I have an AGM and a wet cell. Most chargers out there require you to have the same chemistry across all batteries. Get them on amazon.

 

5 amps per battery is plenty, they don't cook off the electrolyte like a high amp charge will


put it on a clock wall timer like you use for a lamp for a couple hours a day

 

I had a Minnkota 2 bank 10a for the TM batteries. Would have to watch for overcharge despite it was supposed to be "automatic". Lasted about 7 yrs and before one bank quit.

 

thanks guys for all the info i think ill go back to a 10 amp charger and mount it to the inside of the battery compartment lid so when water gets in to the compartment there will be no worries---thanks again---i can always count on my 2 cool buddies-----im having a coil problem in my engine at 4600 to 5000 rpms when i get that sorted out im planning a trip to the jetties---see yall there in october

 

Minn Kota 3 bank mine is going on 8 years of service