Amazon.com : WORX WA3578 - PowerShare 20V 4.0Ah, Lithium Ion High Capacity Battery, Orange and Black : Tools & Home Improvement
WORKPRO Cordless Reciprocating Saw, 20V 4.0Ah Battery, 1-inch Stroke Length, 4 Saw Blades for Wood & Metal Cutting Included - Amazon.com
Amazon.com: SnapFresh 20V 4.0Ah Li-ion Battery Pack Cordless Tools, Long Life Battery Work with All Cordless Tools Only, Lithium-Ion Battery Support Fast Charging (BBT-DC40A) : Tools & Home Improvement
Makita BL1041B 12V max CXT Lithium-Ion 4.0Ah Battery, Black - Amazon.com
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
Brushless Mini Circular Saw, ENVENTOR 20V Cordless Circular Saw 3800RPM with Laser Guide, 4.0AH Battery, Fast Charger, 2 Saw Blades 4-1/2" Max Cutting Depth 1-11/16"(90°), 1-1/8"(45°) for Wood, PVC - Amazon.com