Guests - If You want access to member only forums on HSO. You will gain access only when you Sign-in or Sign-Up on HotSpotOutdoors.

It's easy - LOOK UPPER right menu.

Sign in to follow this  
Followers 0
Shorelunch

Charging trolling motor batteries

5 posts in this topic

Question for the experts. I'm setting up a 24v system in a boat with little storage (bench seats and one console - Crestliner Canadian). I'm running the main red wire from the Terrova to battery 1's positive terminal, the black main wire to battery 2's negative terminal and jumping battery 1's negative terminal to battery 2's positive terminal.

I have a 2-bank onboard charger from a previous boat, but there's really no place to put it in this boat. Could I use a normal battery charger - and could I hook the positive cable to battery 1's positive terminal and the other cable to battery 2's negative terminal, or would I need to charge them separately? I would think they would get an equal charge with the jumper joining the batteries?

Or should I just use the 2-bank charger like a normal charger and connect and disconnect after each use?

Share this post


Link to post
Share on other sites

Thats an interesting question. I don't think if will charge by hooking to positive on one and negative on the other. I may be wrong (happens all the time) but I would recommend the onboard charger and charge both batteries at the same time.

Share this post


Link to post
Share on other sites

When connected in series you can NOT connect a charger to the positive on one and the negative on the other unless you're running a 24 volt charger.

Regardless of what style charger you use, you'll need to connect the positive from the charger to the postive post on one battery and the negative from the charger to the negative post on the same battery.

Is there a location in the boat you can mount the on-board charger? You can extend the wires on the chargers, your charging performance will suffer, but not significantly.

marine_man

Share this post


Link to post
Share on other sites

12 volt charger, so I'd need to charge separately, correct? Thanks for helping me not blow things up! I would imagine that charging the two (new) batteries separately is not and ideal situation?

There's a console on the boat and the on-board charger could probably go underneath. However it's not my boat and I'm trying not to get things too complicated. I suppose I could remove the charger from the boat at the end of the year. Has anyone used an on-board charger as a portable - hooking it up to both batteries and then removing when done?

Thanks again.

Share this post


Link to post
Share on other sites

Yes, you'd need to charge each battery separately... you won't have to disconnect anything, but it won't feed between the two.

One option here is to make another jumper, and when you want to charge both batteries with one charger, disconnect the postitve to negative jumper, connect it positive to positive and add the other jumper to go negative to negative. You've now connected them in parallel and are at 12 volts, and can charge both batteries with one charger.

The advantadge of the double bank charger though is it'll charge faster since you've got two seperate banks, likely with more amps than the one charger if you connect the batteries in parallel, like described above.

Using an onboard charger as a portable charger works just fine. They don't have to be permanently mounted by any means. If you really want to get fancy you could purchase some disconnects and connect them to some wires you have attached to the battery, and put the opposite disconnect on the charger and connecting / disconnecting would go pretty quick. For that matter, you could put alligator clips on the ends of your onboard charger leads and accomplish the same thing.

marine_man

Share this post


Link to post
Share on other sites
Guest
This topic is now closed to further replies.
Sign in to follow this  
Followers 0



  • Posts

    •     They were in all different stages on this lake, was messed up and I didn't know what was going on
    • Good Borch!   I have seen a large up tick of birds locally as well this last.  Although not hunting.   Trying to convince the wife and kids to hit a time or two yet.
    • They can sure humble a person. 
    • Well I tagged out this morning.   I got out later as my daughter and her family were over so I headed out after breakfast.  I drove by the field to see if there were any there so I could plan a route to the blind.   There was a fl8cknof Jake's and a flock of longbeards.  I quickly snuck into my blind and stuck a funky chicken decoy out.  As I was stepping into the blind the Jake's start clearing the trees between the blind and them.  They worked around out front a ways.  Suddenly I see 2 toms fly into the field.  The jakes immediately charged the toms driving them out of the field.  After that the jakes saw the funky chicked and headed over to check it out.  With the toms gone and time dlipoung away I picked one out and shot him at 30 yards.  He'll taste good on rhe grill this summer.   Got in the blind at 10 am and was done by 10:15 am.  It's been a long season. 
    • Fun in the yak today in SE SD caught and released a bunch of these today:
    • How can a bird with brain the size of a pea out smart us!
    • The 2 lakes i bass fish have slowed way down the last week.   A swim-bait ripple shad was hot ticket for a while but that is just a pike attraction right now.  Been switching to a Senko and helped a little.   Pads are coming up fast now and we should see a spike up in activity soon.  Cannot wait to throw the frogs soon as that is the biggest rush watching those eruptions in the water!!   Thanks for posting as i found it to be quite slower than usual also.   Which means i need to find better ammo during those times.  
    • Tomorrow we will be back at it
    • I am giving it a last hurrah tomorrow. Sorry I haven't been able to check in here much. I have hardly been able to get out this year between work, a baby at home, and a recent trip out of the country for a relative's wedding.    Last time I was out I had a real nice Tom within 20 yards after a very long standoff. I think I screwed it up by rushing myself a bit. He stood around 50 yards out literally strutting back and forth like someone had drawn a line in the mud that he wouldnt cross. He must not have wanted to fight with the strutter decoy we had out. He did that for 45 minutes to an hour and finally came our way after a hen led him towards us.    They came past us but were outside the decoys and angling slightly away from us. Then the tom turned and started angling straight at the strutter decoy. That meant he was basically quartering to me and when he was 15-17 yards or so out I drew because in the back of my mind i was thinking if he kept moving that way and past the decoy he would quickly be in a spot I would have had no shot.   In hindsight I think he had realized (once he got close enough) that he would have been able to whoop up on the decoy and he was coming in to do just that. I probably should have waited to see, but I didn't and right as I hit the backwall of my draw his head popped up on alert and he turned around and walked straight away knowing something wasn't quite right. I could have easily shot at him at 20 yards but he was facing away and I just didn't feel comfortable. I am confident I would have hit my mark but I didn't like shooting at something walking straight away when I am not experienced with bow hunting turkeys.   I know some people will say that I should have shot, but I have been bow hunting for awhile and never wounded anything because of a poor shot or poor shot selection, so I didn't want that to be a first. Hopefully I get a shot at redemption tomorrow!
    • Way to go team!! I sure took the avg score down with my jake
  • Our Sponsors