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We have a PD4045KA Progressive Dynamics Power Converter in our 2020 Lance 1575 Travel Trailer. By default the power converter comes from the factory setup for Lead Acid batteries, but the PD4045KA can be easily converted for Lithium batteries, allowing them to charge much faster.
I have a 12 Volt 170Ah Lithium-Iron Phosphate Battery.
When the PD4045KA is set to Lead Acid, max charge current = 10 Amp @ 12V
When the PD4045KA is set to Lithium, max charge current = 30 Amp @ 12V
The PD4045KA didn't have a switch, but was very easy to do. Skip to 1:40 in the video to see the actual switch over.
Inteli-Power® 4000 Series
www.progressivedyn.com/rv/pow...
Switch to Lithium Instructions
www.progressivedyn.com/wp-con...