Amazon.com : Powerextra 2500mah 14.4V Replacement Battery for Black & Decker PS140 FireStorm 14.4-Volt NiMH Pod Style Battery Black and Decker 14.4v Battery : Tools & Home Improvement
DEWALT 14.4-Volt Nickel Cadmium (NiCd) in the Power Tool Batteries & Chargers department at Lowes.com