Lithium 24V BatteryLithium 24V Auger Replacement Battery 24V 4 AMP-Hour Lithium-Ion Battery Internal Battery Management System for Long-Life LED Battery Status Indicator 2-Year Warranty.WARNING: 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.