40V Cordless Snow Blower 20 Inch Electric Snowblower with 4.0Ah Battery Charger40V Cordless Snow Blower 20 Inch Electric Snowblower with 4.0Ah Battery Charger. Dual 20V Power Clears Fast. This cordless snow blower pairs two 20 V 4.0 Ah batteries with a brushless motor, slicing a 20 in-wide, 8 in-deep path per pass-so your family.