Corpusfishing.com

JBSTX · Posted: Wed Jun 14, 2006 12:04 pm Post subject: Charging trolling batterys

I store my boat in corpus and want to be able to charge the 2 12v (in series) batterys for the trolling motor while i'm gone. I'll probably be going once every 6 wks +/-
The storage place has ac power. My question is will it be ok the leave a charger on the whole time.
Also it is correct to connect the charger to the first batterys pos and neg, even thouth the neg from the first battery is going to the pos of the 2nd battery ?
Any recommendations on chargers/setups etc. ...
Thanks .
JS

Nailsy · Pony Mullet Joined: 30 Mar 2006 Posts: 84

There is a product out there call the Battery Tender. It is made just for the situation that you are talking about. There are many different models out there, and I am sure there will be one that fits your needs.
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Uncle D · Posted: Wed Jun 14, 2006 12:42 pm Post subject:

It depends on if you are set up 12 or 24 volts (batteries)and if you have a 12 or 24 volt charger.
My system is 24v. I disconnect the two 12v batteries from each other. I have two 12v chargers that I use ( 1 on each battery ) I bought two cheep auto-charging chargers from Harbor Freight that I leave on trickle charge. Don. Rolling Eyes

the troutman · Flour Bluffian in training Joined: 07 Mar 2006 Posts: 316

Might invest in an on-board charger as well. If you are going every 6 weeks and your batteries are fresh, some of the new chargers can rapidly charge trolling motor batteries.
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The Troutman

Love em and leave em, otherwise known as Catch and Release!

Gib · Posted: Wed Jun 14, 2006 5:59 pm Post subject: batteries

Your best bet is to buy one of many to choose from varieties that monitors charge of the batteries. It will charge, and it is smart enough to turn off or trickle charge when needed.

If not that, then I have always removed all wires from batteris except positive to positive and negative to negative. Then all you do is one clamp on positve of battery "A" and one clamp on negative of battery "B". Be sure and leave your charger on a trickle charge, preferably 2 amps as this is sufficient to charge batteries over a 6 week period.

I have never had a problem, and my batteries last several years.

Good Luck!

Purefishn · Horse Mullet Joined: 06 Jun 2006 Posts: 219

I agree with the onboard charger. They are a little more money but they shut off when batteries are charged and have leads that hook to each battery. It'll pay for itself by keeping your batteries in good shape and don't forget about your starting battery. I run a three bank onboard charger so it takes care of all three batteries off one charger. Open a box, plug it in, done, no more dead batteries. Most of them have lights showing the amount of charge and when batteries are bad.

TEXASBEAN · Posted: Thu Jun 15, 2006 6:58 pm Post subject:

Take the battery off the boat everytime and charge at home. Have the onboard chager on the boat for just in case. Thats how I would do it.

pinsjeepster · Posted: Fri Jun 16, 2006 12:02 am Post subject:

If you have two 12V. batteries in series you have a 24V. trolling motor. If you put a 12V. charger across the first battery you only charge the first battery. If you put the batteries + to + and - to - with a battery charger
across your first battery you charge them both. Get a 12V. charger with a
trickle charge setting and you should be just fine. Smile