DEWALT 20-Volt Max 4-Pack 2 Amp-Hour; 4 Amp-Hour Lithium Power Tool BatteryPlatform compatibility, works in all 20 Volt MAX tools No memory and virtually no self discharge (2) 4. 0 Ah and (2) 2. 0 Ah 20 Volt MAX Batteries 2 XR batteries for heavy duty tasks 2 compact batteries for general use State of charge indicator on all batteries Features Charge Time (Hours) 0. 75 Wireless No Charger Included No Sub Brand N A CA Residents: Prop 65 Warning(s) Yes Battery 1 Amp Hours 2 Battery Package Count 4 Battery Type Lithium Battery