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Post by Deleted on Mar 28, 2016 7:13:09 GMT -5
Currently I use a smart switch that isolates my house batteries from my starter. This solution allows my house and starter to be charged while running but isolates the house when using the electronics and isolates the starter when starting.
I am now focusing on my tm batteries which deliver 36 volts to my TM. It seems that I might want to consider using the aux lead. How do I do this? I figure 6 guage and a 50 amp breaker would suffice. Do I need a negative as well from the motor? Is there something I need to do special for dealing with 3 batteries hooked in series?
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Post by Pete D. on Mar 28, 2016 7:53:34 GMT -5
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Post by Deleted on Mar 28, 2016 9:14:28 GMT -5
Thanks for this idea Pete! Do you use one? I assume I can hook it up to my aux?? Do I need to run ground from aux? Finally, it says it needs 35 amps minimum to work for a 3 bank. Does anybody know if a Yamaha 150 (2013) can handle this constraint given that it is also sending power to my other batteries? |
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Post by Pete D. on Mar 28, 2016 10:20:33 GMT -5
I just use an at home charger. Id like to add one of these to my system, but I only have a 9 amp stator.
I am not sure what amperage your stator/generator produces, but if you send me a the engine model # I may be able to help.
Keep in mind, you will NOT be able to charge those 3 batteries from the main motor any other way. Too much load on the stator. Even if you set it up to charge each battery at a separate time while on the water, your TM batteries will all have a different state of charge which is NOT good. Plus lots of wires and a nasty mess.
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Post by Pete D. on Mar 28, 2016 10:21:43 GMT -5
Not sure about aux. I have never hooked one of these up. If I remember correctly, archenemy has one of these systems on his rig. |
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Post by Pete D. on Mar 28, 2016 10:51:33 GMT -5
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Post by mwardncsu on Mar 28, 2016 11:05:01 GMT -5
My Yamaha 250 has a 46a output alternator. I think the better big engines have a larger alternator ArchEnemy has the Minnkota AC/DC charger on his. I'll eventually be adding a Yandia TrollBridge 24 + Combiner to my setup www.yandina.com |
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BentRod
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Post by BentRod on Mar 28, 2016 11:19:30 GMT -5
My question is how do these on-board "running" chargers affect the life span of the trolling batteries?
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Post by Pete D. on Mar 28, 2016 11:47:57 GMT -5
My question is how do these on-board "running" chargers affect the life span of the trolling batteries? I would think it adds to the life, seeing as you wont drain them down as badly. Biggest battery killer, as Im sure you know, is deep discharge. I'd probably check my fluid levels a little more often though. It should have a feature on it (just like at home chargers) that doesnt send current to the batteries once they reach a certain level. |
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Post by striperjohn on Mar 28, 2016 11:50:25 GMT -5
Exactly Bentrod. Battery manufacturers recommend charging your batteries the same way you discharge them. E.g tm batteries are slowly discharged and should be charged at the same slow rate. Not at 30+amps. My tm batteries generally last me 5 years+ following this recommendation. I guess if you have the dollars to burn it doesn't matter.
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Post by Deleted on Mar 28, 2016 11:57:07 GMT -5
From what I have read, going below 50% on a deep cycle is the biggest killer of lifespan. The Minnkota solution provides a max of 10 amp to each battery which is exactly what my charger does as well.
I'm interested in this solution to minimize the times when I have to quit fishing because my TM is dead. I'm not doing it to maximize battery life....that might be a perk though.
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Post by mwardncsu on Mar 28, 2016 12:50:23 GMT -5
The Yandina is pretty simple and works basically as a relay that opens below a certain voltage and closes above. Basically just connecting it to the cranking batt in parallel and it gets the "full" amperage.
I think the Minn Kota works a bit different - though still different than a "smart" battery charger that applies the various voltage curves to it when charging. Which method is better? Good question - time for a little more research. I like the very compact size of the Yandia solution for my rig.... And know several guys using these that fish HARD and have used them for several years now successfully. The MinnKota is about the size of another charger - and I wonder how much you get back in the batts with a max of 10A / bank without making long runs.
The key to these in my mind is as a few have said - it helps keep from from getting the battery too low. A long day/weekend of fishing (even when charge overnight, but short recharge times) can take a cumulative toll on the battery. Being able to get charge back in them when running up and down the lake can be helpful. If you are making short 5-10 min runs then It likey won't do much, but longer runs can help for sure.
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Post by Deleted on Mar 28, 2016 13:07:24 GMT -5
The Yandina is pretty simple and works basically as a relay that opens below a certain voltage and closes above. Basically just connecting it to the cranking batt in parallel and it gets the "full" amperage. I think the Minn Kota works a bit different - though still different than a "smart" battery charger that applies the various voltage curves to it when charging. Which method is better? Good question - time for a little more research. I like the very compact size of the Yandia solution for my rig.... And know several guys using these that fish HARD and have used them for several years now successfully. The MinnKota is about the size of another charger - and I wonder how much you get back in the batts with a max of 10A / bank without making long runs. The key to these in my mind is as a few have said - it helps keep from from getting the battery too low. A long day/weekend of fishing (even when charge overnight, but short recharge times) can take a cumulative toll on the battery. Being able to get charge back in them when running up and down the lake can be helpful. If you are making short 5-10 min runs then It likey won't do much, but longer runs can help for sure. To the best of my reading what is available, it seems that the Minnkota simply opens up only after the cranking battery reads 13.6V.. I assume it then simply splits the amperage to either a 2 or 3 bank solution. Thus, it is probably the same thing as the Yandina....only a tiny bit less costly. My issue now is figuring if my cranking battery ever reads over 13.6 if I am running with a bait tank or anything else on. My house and starter batteries are combined when I run. Frankly, I think I can just hook up my house bank to my individual TM batteries and get the same benefit as this solution. MY house bank gets charged when running and is isolated when not running. Seems like the same thing to me. I could even flip a switch to not charge the house and charge the TM batts. Finally, since the motor aux lead is essentially splitting output power, the only advantage I see in using it is isolation without a switch. I'm hoping Brian will chime in and get me right!!  |
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Post by tommyfishes on Mar 28, 2016 14:20:28 GMT -5
From what I have read, going below 50% on a deep cycle is the biggest killer of lifespan. The Minnkota solution provides a max of 10 amp to each battery which is exactly what my charger does as well. I'm interested in this solution to minimize the times when I have to quit fishing because my TM is dead. I'm not doing it to maximize battery life....that might be a perk though. Yam, I am using the Minn Kota 3 bank DC alternator charger on my boat, I only have 30 hrs on the rig right now but so far its a pretty nice setup. |
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Post by Pete D. on Mar 28, 2016 15:00:22 GMT -5
Exactly Bentrod. Battery manufacturers recommend charging your batteries the same way you discharge them. E.g tm batteries are slowly discharged and should be charged at the same slow rate. Not at 30+amps. My tm batteries generally last me 5 years+ following this recommendation. I guess if you have the dollars to burn it doesn't matter. It only charges the battery at 5-15 amps each, depending on which model charger you get. |
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