two transfer switches?

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New User
Emory, TX
I bought an old motorhome. It has an inverter/charger, with a stand alone transfer switch. I am upgrading to Lithium batteries that require a pure sine wave. The replacement inverter/charger has an internal auto transfer switch. Can I do a drop in replacement and leave stand alone transfer switch in place?

Dennis Alwon

Staff member
Chapel Hill, NC
Retired Electrical Contractor
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