Lithium 40V Battery Charging BaseThe 2-amp rapid charge battery charging station charges battery back to full charge in 2-1/2 hours.Features:2 amp Rapid Charging, 2.5 hours from empty to fullBuilt in Cell Optimization, Smart ChargingWall Mountable2 Year WarrantyWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.