MWXNE
An RV converter changes 120V campground power into 12V power for lights and pumps and charges the house battery. If your current converter works and suits your batteries, you do not need a new one.
RV owners replacing a failed converter or changing battery type.
MWXNE WF-8955-AD-MBA 55 Amp RV Power Converter,120V AC to 12V DC Battery Charger with Multi Smart Charging Modes for Lead-Acid & Lithium,13V–16.5V Adjustable Output, Direct Replacement for WF-8955 (ASIN B0GF21KGJH). Amazon's page has the current price, specs and reviews.
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Check current Amazon listing (ASIN B0GF21KGJH).
Fine print: The Dude has not personally tested this product. The details on this page come from the Amazon listing and can change; check the listing for the current specs, price and availability.