Heat olive oil in skillet. Add turkey, onion, green pepper, garlic, salt and pepper. Cook and stir until turkey is no longer pink. Stir in chili powder, cumin, red pepper flakes, onion powder, and thyme.
Transfer ground turkey to slow cooker or large pot.
Add sweet potatoes, beans, tomatoes, tomato sauce, and beer to slow cooker or large pot.
Cover and cook until potatoes are tender - about 3-4 hours in slow cooker on high, 5-6 hours in slow cooker on low, and 30 minutes over medium heat on stove top.
Serve warm with your favorite chili toppings.