Soak beans 12–18 hours and drain. Add 5 1/2 cups fresh water and 2 tsp salt; boil, then simmer 30 minutes and drain.
Brown beef, onion, and optional peppers; drain excess fat.
Add remaining salt, black pepper, chili powder, tomatoes, and cooked beans. Simmer 5 minutes. Do not thicken.
Fill pint jars leaving 1-inch headspace.
Pressure process pints 75 minutes; dial 11/12/13/14 psi by altitude, weighted 10 psi through 1,000 ft and 15 psi above.