20V MAX FLEXVOLT 8 Amp Fan Cooled Fast Charger - DCB118. Compatible with all 20V MAX and FLEXVOLT 20V/60V MAX DeWalt batteries. Fan assisted cooling of batteries results in faster charge cycle time and reduces downtime in the field. Internal fan circulates air across batteries to reduce hot/cold pack delays. Chargers a DCB606 6.0 Ah battery in one hour