PB 957722 24V, 12A Battery Charger for Minuteman Power Boss Floor Machines. A quality Lester branded SCR series dual mode (Wet/AGM) battery charger. 24V, 12A with a red SB50 charger plug. Used with wet or sealed battery. Fully automatic charging. Fits Model 747 Wide Area Vacuum and others. Please refer to your parts catalog for the correct application. Priced Each. Replaces Minuteman Power Boss 957722. Our Part Number PB 957722