2 Packs 3.6AH HPB18 Replacement Battery Compatible with Black and Decker 18V Battery Ni-Mh HPB18 244760-00 A1718 FS18FL FSB18 Firestorm(Red) - - Amazon.com
2-Pack 3.6Ah HPB18 Ni-Mh Replacement Battery for Black and Decker 18V Battery HPB18-OPE Compatible with Black Decker Battery 18 Volt Tools A1718 FS180BX FS18FL FSB18 Firestorm Cordless Power Tool - - Amazon.com
BLACK & DECKER 18-volt 8-in Cordless Electric Chainsaw Ah (Battery & Charger Included) at Lowes.com