Ranger R31S NW edition 2019

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Wynot1

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Jul 22, 2019
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Fluid Motion Model
C-302 C
Vessel Name
North Star
What are the batteries that the factory placed into a 2019 Ranger Tug R31S Northwest Edition.
Are the engine bank batteries different from the house batteries?
Is so why?
If Not why?
I would like any recommendations on what type of replacement batteries I should purchase.
I wouldn’t mind getting larger capacity batteries for the house bank.
Would there be any issues I should be aware of on the charging system if I did increase my capacity?
Any other info would be appreciated.
Thanks,
Warren
 
We purchased a new to us 2015 R31-CB (LE) three years ago. Initially changed the 4 HOUSE batteries over to AGM and have been satisfied. Starter battery and thruster battery are separate from House and have not been replaced to date. I believe they are separate from HOUSE bank due to their importance and need for segregated cranking power.
 
What are the batteries that the factory placed into a 2019 Ranger Tug R31S Northwest Edition.
Are the engine bank batteries different from the house batteries?
Is so why?
If Not why?
I would like any recommendations on what type of replacement batteries I should purchase.
I wouldn’t mind getting larger capacity batteries for the house bank.
Would there be any issues I should be aware of on the charging system if I did increase
Click to expand...

In my 2019 R31, the original batteries were all UPG 121100, 110 ah AGMs. House, thruster, and engine batteries were all the same. My understanding is that they needed to be the same because they all charge off of one inverter/charger and need to have the same charging profile.

I replaced them last summer through a knowledgeable marine electrician. I followed his recommendation on what to use as replacements, which was Lifeline Group 31 AGM 125 ah for the house bank (so a net increase of 60 amp hrs) and Lifeline Group 31 deep discharge batteries for the engine and thruster batteries. The deep discharge batteries use the same charging profile as the house bank batteries. So they work well with the factory charging set up, while giving me the benefits of deep discharge batteries for the engine and thrusters.

I’m pleased with the added amp hours for the house bank, the addition of deep discharge batteries for the engine and thruster, and the overall robustness of the Lifeline batteries.

Hope that helps.

Gini
 
Thanks, this was the information I was hoping to receive.
 
Warren, I meant to answer the final question in your post and failed to do that.

You asked if there were any Issues to be aware of if you increased the size of your battery bank. There were two things for me that needed a change in configuration. The first is the charging profile for the batteries, which had to be changed because of the change in battery brand/model, not amp hours. Lifeline has good info on the appropriate profile for their batteries. I did not have that info for the UPG batteries, and if I recall correctly, the factory just used the generic AGM setting for them on the stock Kisae charger (which I’ve replaced with a Victron). If you have a specific charging profile for whatever batteries you are using, try to set the Kisae up for that if possible.

The second thing that needed to be adjusted was my battery monitor — actually, my two battery monitors. I have both the Balmar, which I’ve had for several years, and a Victron, which is newer. Both need to be set up for the total amperage of the house bank. So when I went from a total of 440 to a total of 500, I made the necessary change to the configuration on each monitor. Easily done.

Hope that is also helpful.

Gini
 
Rotten auto correct.
Thanks Gina
Warren
 
One more time.
Thanks Gini
Warren
 
Happens given the spelling of my name all the time! :roll: No worries Warren. Good luck with your project, and you’re welcome.

Gini
 
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