Ryobi OP4026 40-Volt Lithium-ion Battery 130186012 and OP401 40 Volt Lithium-ion Charger Battery Charger Replaces Ryobi Charger OP400 Charger Provides a Charge Time of 3 Hours or Less OP4026 Battery is Compatible with Ryobi 40V Power Tools Battery Offers a 2.4 Amp Hour Capacity Included: (1) Ryobi OP401 40V Battery Charger and (1) Ryobi OP4026 40V Battery (Tool NOT Included)