Renogy
An inverter turns 12V battery power into household-style AC power so plug-in devices can run away from shore power. If you only use 12V devices or always have shore power, you may not need one.
Travelers who want to run plug-in devices from a vehicle or house battery.
Renogy Inverter PUH, 3000W Pure Sine Wave Power Inverter with UPS Transfer Switch & Bluetooth, 12V DC to 120V AC Converter for RV, Truck, Home,Camping - 6000W Surge Power, Remote Monitoring (ASIN B0DL5KRBHL). Amazon's page has the current price, specs and reviews.
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Check current Amazon listing (ASIN B0DL5KRBHL).
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.