Battery bank thoughts?

[NHBull]

Please tell me if my thinking is wrong.

I have decided to go to a 36 v system for my TM on my 1775, 

Thinking about a separate deep-seated for electronics and live wells and 1 cranking battery.

 

Do I need a 4 bank charger, or would a 3 bank and alternator charger for the electronics battery work?

 

I am not a tournament guy, but get out 5 days a week.....usually 1/2 days..

 

Thanks in advance,Al

 

[J Francho]

I'd go 4-bank.  I doubt the rectifier will keep the cranker fully charged.

[A-Jay]

I'm running 36V and a 4 bank to include the cranker.

Between running the live well recirculating pump, 2 Helix 10's, the nav lights early morning or at night and the twin Talons going up & down all day, it's pretty much a must.  Especially since I don't always make a long run back to the ramp at the end of the trip.  That one 31 is usually the battery showing the need (by lights on the charger) for the most recharge.

 

A-Jay

 

 

[NHBull]

51 minutes ago, A-Jay said:

I'm running 36V and a 4 bank to include the cranker.

Between running the live well recirculating pump, 2 Helix 10's, the nav lights early morning or at night and the twin Talons going up & down all day, it's pretty much a must.  Especially since I don't always make a long run back to the ramp at the end of the trip.  That one 31 is usually the battery showing the need (by lights on the charger) for the most recharge.

 

A-Jay

 

 

Much appreciated!

Are you running the live wells and electronics off the cracker?

 

[A-Jay]

12 minutes ago, NHBull said:

Much appreciated!

Are you running the live wells and electronics off the cracker?

 

Yes ~ 

Standard deal is (3) 31's for the 112 Fortrex and the 4th 31 runs everything else. (including the 360 imaging)   

Days where I'm on the TM a ton (especially in the wind & waves) I'm glad I have the 3 31's

Other days when I'm spot hopping, using the Talons a bunch, catching fish & running the live well pumps, I almost wish I had another battery for the rest of it.  

 btw - and on a separate note - I purchased a jumper battery to take the worry out of a dead cranker - I've not ever really come close but - now it's not even a concern - works on the truck 6.2L also - 

 I'm alone on some big water a lot - especially early & late in the season - there' spotty cell phone coverage also, so I need to be mostly self sufficient.  Food for thought  

Check it out.

https://www.amazon.com/gp/product/B016UG6PWE/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

A-Jay

[slonezp]

1 bank per battery. Not worth getting stranded

[NHBull]

1 hour ago, slonezp said:

1 bank per battery. Not worth getting stranded

That is now the plan, thanks

[Further North]

Al, I went one step further than AJ, and pretty much for the same reasons.

 

I have 3 29 series batteries for my 36 volt Ulterra and the cranking battery hooked to a 4 bank Minn Kota charger.  I don't think the brand is important other than not going cheap.

 

Three seasons ago, I wound up with a dead cranking battery about 8 miles from camp up on Lake of the Woods.  We made it back to camp on the trolling motor...but it was a long, tense ride back.

 

Turned out a short in the cable for charging my Terrova remote was the culprit.

 

When I got home, I put in a 5th battery and a single bank charger to create a completely separate system for my electronics.  That battery provides a back-up for the cranking battery should something stupid like a short in a wire causing a problem again.

 

It's a little over the top but, 1) I have room for it, and 2) it feels like reasonably priced insurance for remote lakes and Canada.

 

An unintended side benefit is that I've never had cleaner images on my electronics as there is zero contact with any of the other systems in the boat.

 

Would I advocate this set-up for everyone?  Nope...but it works for me.  I like A-Jay's jumper battery and I almost went that route.  That's plenty for most people.

 

PS: Congrats on deciding to go with a 36 volt trolling motor on your boat.  It's a little more expensive, but I'll bet you a dollar you won't be sorry.

[A-Jay]

1 hour ago, Further North said:

Al, I went one step further than AJ, and pretty much for the same reasons.

 

I have 3 29 series batteries for my 36 volt Ulterra and the cranking battery hooked to a 4 bank Minn Kota charger.  I don't think the brand is important other than not going cheap.

 

Three seasons ago, I wound up with a dead cranking battery about 8 miles from camp up on Lake of the Woods.  We made it back to camp on the trolling motor...but it was a long, tense ride back.

 

Turned out a short in the cable for charging my Terrova remote was the culprit.

 

When I got home, I put in a 5th battery and a single bank charger to create a completely separate system for my electronics.  That battery provides a back-up for the cranking battery should something stupid like a short in a wire causing a problem again.

 

It's a little over the top but, 1) I have room for it, and 2) it feels like reasonably priced insurance for remote lakes and Canada.

 

An unintended side benefit is that I've never had cleaner images on my electronics as there is zero contact with any of the other systems in the boat.

 

Would I advocate this set-up for everyone?  Nope...but it works for me.  I like A-Jay's jumper battery and I almost went that route.  That's plenty for most people.

 

PS: Congrats on deciding to go with a 36 volt trolling motor on your boat.  It's a little more expensive, but I'll bet you a dollar you won't be sorry.

I don't think it's over the top at all.

In fact, I like your style.

A-Jay