Energup 40V 3.5Ah Replacement Black and Decker 40Volt Lithium Battery LBX2040 LBXR36 LBXR2036 LST540 LBX1540 LST136W with a LCS40 LCS36 Fast Charger for Black Decker 40V Battery Charger - Amazon.com
Amazon.com: Ryobi OP404 Lithium-ion 40 Volt Battery Charger (RENEWED) : Tools & Home Improvement