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Lithium battery upgrade

TJJ

Well-known member
Has anyone upgraded to a lithium battery?And if so will I have to upgrade the converter to be able to charge them.I gather that they need a different charging profile.
 

Jim Beletti

Well-known member
Has anyone upgraded to a lithium battery?And if so will I have to upgrade the converter to be able to charge them.I gather that they need a different charging profile.

Yes, you can do this upgrade and depending on how many batteries you're adding, you can change the converter over to Lithium by changing the position of the Converter Output Mode via a tiny microswitch to the Li position.

Download the manual for your power center form this Resource page: https://alliancerv.com/academy/owne...-center-progressive-dynamics-installation-and

On page 2 of that manual, you'll see a diagram showing where the Converter Output Mode switch is.

And here's what the manual says about it:
OPTIONAL OUTPUT MODE SWITCH: The optional OUTPUT MODE SWITCH sets the converter output to either a constant 14.6VDC with the Charge Wizard® disabled (switch in ‘LI’ position) or a nominal 13.6VDC with full Charge Wizard® function (switch in ‘LA’ position). ‘LI’ mode is intended for use with lithium batteries with a BMS requiring a constant converter output. ‘LA’ mode is intended for use with lead/acid batteries where the Charge Wizard® will optimize battery charging.
 
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jbarnes

New member
Jim - great info. The link you mentioned doesn’t work, at least I couldn’t get it to. Is there an updated link.
 

Focker

Well-known member
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Jim Beletti

Well-known member
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Focker

Well-known member

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rshankel

Active member
I have a 2025 Paradigm 310RL with on board gen set and the standard single solar panel. I do not find a switch in my panel? I have ordered 2 200ah lithium batteries and I can't see where any switch would be?
My panel door says it is a Progressive Dynamics PD 5500 Distribution Panel.
Frustrated!
 

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BryanValRox

Well-known member
I have a 2025 Paradigm 310RL with on board gen set and the standard single solar panel. I do not find a switch in my panel? I have ordered 2 200ah lithium batteries and I can't see where any switch would be?
My panel door says it is a Progressive Dynamics PD 5500 Distribution Panel.
Frustrated!
Have you been able to track down your converter? Our 2024 310 RL has everything integrated into a single panel.
Your set up is entirely different, are you certain you only have the standard Solar set up? I have not seen this panel before.
 
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BryanValRox

Well-known member
Have you been able to track down you converter? Our 2024 310 RL has everything integrated into a single panel.
Your set up is entirely different, are you certain you only have the standard Solar set up? I have not seen this panel before.
My guess is that your converter is hid somewhere and is a newer style.
I found this link explaining what to look for and how to change it, if my guess is correct.

Let us know how you make out.
 

rshankel

Active member
My guess is that your converter is hid somewhere and is a newer style.
I found this link explaining what to look for and how to change it, if my guess is correct.

Let us know how you make out.
I have the 320 something w, single solar panel, generator on board and 1 lead-acid battery.
I can see the controller from the storage compartment, but I can't find another access to it. It is too fat from the opening to get to it because of all the wiring, plumbing, etc...!
This is a big mess!
 

rshankel

Active member
I have the 320 something w, single solar panel, generator on board and 1 lead-acid battery.
I can see the controller from the storage compartment, but I can't find another access to it. It is too fat from the opening to get to it because of all the wiring, plumbing, etc...!
This is a big mess!
 

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BryanValRox

Well-known member
I have the 320 something w, single solar panel, generator on board and 1 lead-acid battery.
I can see the controller from the storage compartment, but I can't find another access to it. It is too fat from the opening to get to it because of all the wiring, plumbing, etc...!
This is a big mess!
Any chance you can unscrew the distribution panel and pull it out some? Would this give you access to the converter?
Our panel has plenty of extra wire to allow access behind it, but again ours is a 2024 and obviously different from yours.
 

BryanValRox

Well-known member
Just for clarity, that is your solar controller.
I am referring to your converter, which turns 120 v AC into 12v DC output.

My guess is alliance has switched to the newer style and the change needs made per the link I provided above.
 

rshankel

Active member
Yes, the blue one is the Solar box, I just showed that to give a better idea of my system. The other picture shows the Progressive Dynamics number.
Most of the post I can find say that I can switch the controller to Lithium on the panel, but I can't see any switch.
The next idea is to switch it on the controller itself, but I don't see or know how to get to the controller? My rig was built May of 2025!
 

BryanValRox

Well-known member
Yes, the blue one is the Solar box, I just showed that to give a better idea of my system. The other picture shows the Progressive Dynamics number.
Most of the post I can find say that I can switch the controller to Lithium on the panel, but I can't see any switch.
The next idea is to switch it on the controller itself, but I don't see or know how to get to the controller? My rig was built May of 2025!
Understood and appreciate the clarity.
The key in your case, appears to be locating and accessing the converter, to switch the output for your upgrade.
Sounds like it might not be easy.

Without a doubt, we have the integrated panel and converter assembly (like others have posted) and there is a tiny switch on the panel to change battery types. You are navigating new territory with your model and electrical panels.
 

KCAlis

Active member
I have a 2025 Paradigm 310RL with on board gen set and the standard single solar panel. I do not find a switch in my panel? I have ordered 2 200ah lithium batteries and I can't see where any switch would be?
My panel door says it is a Progressive Dynamics PD 5500 Distribution Panel.
Frustrated!
I, too, have a 2025 310RL but no genset. When I swapped from 88AH of lead acid to a 300AH LiFePO, I had the same frustration with my distribution panel switch.

Turns out it’s behind the opening labeled “Wizard Mode Button” but out of sight at about the 2:00 position. Up is Li, down is LA.

Here’s 2 pictures. Hope they help.
 

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