Replacement for PD9270 for Lithium Compatibility
Updated 09/18/2026 | Published 09/15/2026
Question:
I installed a PD 9270 power converter a few years ago. it works great but am going to upgrade to lithium batteries and was looking at the PD 9300 power converter but when I had it in my cart, it showed an upgrade to my existing converter as options rather than buying and installing a whole new converter. Is this correct?
asked by: Pat M
Helpful Expert Reply:
Hey Pat! It sounds like you may have been seeing a replacement converter section, which is used to upgrade certain RV power centers and wouldn't apply to your particular setup. Your PD9270 is a standalone converter, so you'll need to replace the entire converter to upgrade for lithium.
The Progressive Dynamics 9300 Series Converter # PD79RR you were looking at is going to be the best option here. It has a 60A output and is lithium compatible.
Any big trips coming up once you upgrade your batteries?
(click to enlarge)
Gary
9/18/2026
I'm very happy with my PD converter. I upgraded to lithium and my old converter was for lead acid only. I added the PD in a 60amp version. I moved it from the back of the trailer to the front, which is very near the battery. I went from daily charges to once or twice per week. Literally a happy camper.. btw my lithium is 320Ah single battery with management unit and heating pads for cold weather...
Robin H.
9/18/2026
Product Page this Question was Asked From
Progressive Dynamics 9300 Series RV Converter Charger - 12V - 60A
- Power Converter
- Converter Only
- Manual Switch
- 12V
- 60 Amps
- AC to DC
- AGM
- Lead Acid
- Lithium
- RV
- Single-Stage Charge
- Progressive Dynamics
more information >
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Johnny
9/18/2026
Hey Pat, I did the same thing you are contemplating a couple of years ago. Replaced my old converter with the 9300 so I could switch to lithium iron batteries. The 9300 was the right converter and I have been extremely happy with the upgrade.