At last , a simple butane stove that does everything well. Brunton's Raptor stove integrates an electric Piezo ignition onto a burner that gives you high output on a sturdy stainless steel platform. Crank out 1100 B.T.U. with its reliable cooker, and boil a liter of water in just over four minutes. Raptor folds down small and weighs a mere five ounces soaking wet.