i just looked at the Minnie Winnie brochure and it doesn't list it as an option or standard equipment. It has always been an option for the entertainment system, powering both front and bedroom TVs.
2003 Winnebago Adventurer 38G F53/ V10 605 watts of Solar
1999 Winnebago Brave 35C F53V10 Handicap Equipped
1999 Jeep Cherokee, 1991 Jeep Wrangler Renegade and 2018 Chevrolet Equinox Diesel