CRAFTSMAN 20V Power Tool Battery 2-Pack, Lithium-ion with Charger (CMCB204-2CK)V20, 4.0Ah Lithium Battery packs are made with you in mind. The battery offers premium-grade high-performance cells for improved power. No memory and low self-discharge mean this battery is ready when you are. It is compatible with the CRAFTSMAN V20 20V MAX cordless power tool and outdoor tool lineup.Improved power: premium grade high performance cellsLonger cycle: resulting in an extended battery lifeBattery charge feedback: 3-led state of charge indicatorMaximum productivity: no memory and virtually no self-dischargeIncludes: (2) CMCB204 4Ah Batteries (1) CMCB104 ChargerProduct informationTechnical DetailsManufacturerCRAFTSMANPart NumberCMCB204-2CKItem Weight4.37 poundsPackage Dimensions11.61 x 8.54 x 4.17 inchesItem model numberCMCB204-2CKBatteries2 Lithium Ion batteries required. (included)StyleBattery 2 Pack & ChargerPower SourceBattery PoweredVoltage20 VoltsItem Package Quantity1Included Components(2) CMCB204 4ah Batteries (1) CMCB104 ChargerBatteries Included?YesBatteries Required?YesBattery Cell TypeLithium IonWarranty Description2 Year Limited Warranty