CL 40510A 24V, 12A Battery Charger for Nilfisk Clarke 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. Fit models: but not limited to Alto Clarke Vision 17B, Vision 17BT, Clarke Encore L20, Encore S20. Priced Each. Replaces Nilfisk Clarke American Lincoln 40510A, 40520A. Our Part Number CL 40510A