Where can I find Power bar in Rotenhain?

Power bar can also be found in these cities:

Beselich Breitscheidt Burbach Daaden Dierdorf Dortmund Döttesfeld Gebhardshain Hachenburg Hadamar Hundsdorf Höhn Montabaur Röthenbach Wallmerod (Westerwald) Weitefeld Wirges

You can also find this in Rotenhain:

Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll Canned Fish