Biswaye 40V MAX 3.0Ah Lithium Battery Compatible with Black & Decker 36V/40V Max Battery LBX2040 LBX1540 LBX2540 LBXR2036 LBX2240 LBXR36 36V/40V Max Power Tools - Amazon.com
Battery Texas Razor 4200Li/4220TR-Li; 40 V; 4,0 Ah; Li-ion - 90066659 - Batteries - Other accessories for power tools
ATLAS 80V 2.5 Ah 40V 5.0 BATTERY | eBay
Makita 40V Max XGT Brushless Cordless 4-Piece Combo Kit 2.5Ah/4.0Ah with bonus 40V Max XGT 4.0Ah Battery GT400M1D1BL4040 - The Home Depot
FirstPower 40V 3.0Ah Battery - Compatible with Black & Decker 40V Lithium Ion Cordless Drills Power Tools LBX2040 LBX36 LBXR36 LBXR2036 - Amazon.com