Lithium-Compatible Replacement for an Older PD4575K18LS8 Power Center

Updated 11/06/2026 | Published 11/05/2026

Products Featured in This Question

Progressive Dynamics 4500 Series Inteli-Power Converter - 75 Amp

(220)

$442.06

Question:

I have a Progressive Dynamics PD4575K18LS8 but it doesn’t have the lithium switch and I want to convert my batteries. I understand there are two options, one which is dedicated lithium. What is the right choice for me?

asked by: Ethan K

Expert Reply:

Hey Ethan.

You must have an older generation of the Progressive Dynamics # PD4575K18LS8 because that's exactly what I'm going to recommend to you, A newer model # PD4575K18LS8. This converter comes with the switch you're looking for to switch from lead-acid to lithium. Also, the lithium only option is discontinued so no need to compare :) And this should be an easy swap for you going from an older model to the new.

How often are you able to go out on a trip?

expert reply by: Trent G

Ethan K.

11/5/2026

Thanks. I was hoping just to swap it the converter but sounds like that isn’t an option. Is it tough to swap out the complete power center? I wish I got out more but we probably use the trailer 4-6 times per year.

Trent G.

11/5/2026

@EthanK Okay, I partially change my recommendation to you here. There is something worth looking at, the # PD4575CSV is the converter section you're looking for. However, you will need to ensure you have the proper jumper configuration for lithium if you don't have the selector switch in your power center. This won't automatically be lithium configured. I suggest first reaching out to Progressive Dynamics and give them the serial number of your current converter to see if your current board can support the lithium jumper. If not, you can order # PD4575CSV and call Progressive Dynamics to request the two-pin lithium conversion jumper.

Ethan K.

11/5/2026

@TrentG thank you.