VANTTECH LBXR36 4.0Ah Replacement for Black and Decker 40V Battery Lithium-Ion MAX LBX2040 LBXR2036 LBX2540 LBX1540 LST540 LCS1240 LST136W Compatible for Black and Decker Cordless Tool(2Pack) - Amazon.com
Amazon.com : BLACK+DECKER 40V MAX Lithium Battery, Compatible with 36V and 40V MAX Power Tools, Lithium Ion Technology, Charger Not Included (LBX2040) : Tools & Home Improvement