1 (750 milliliter) bottle red wine (such as Cabernet Sauvignon, Zinfandel, or Merlot)
1 orange, peeled and sliced
2/3 cup honey
1/4 cup brandy
3 cinnamon sticks
8 whole cloves, or more to taste
1 teaspoon grated fresh ginger
Combine red wine, orange slices, honey, brandy, cinnamon sticks, cloves, and ginger in a slow cooker.
Cook on Low until wine is steaming, 20 to 25 minutes.