Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : Generic BulletPoint1 : Replacement only, NOT Original but 100% Compatible Brand New non-OEM High Quality Power Supply Adapter. BulletPoint2 : Please make sure that your model is listed in this listing, if your model is not listed here, please send us a question to confirm compatibility. BulletPoint3 : Input : 100V - 240V worldwide BulletPoint4 : Over Voltage output Protection, Over Current output Protection. Short Circuit output Protection. BulletPoint5 : Please note: Rechargeable batteries don't last forever, the average battery last 1 to 3 years. If the battery is old/dead, it will not accept a charge. This is not a charger's problem. If you're not sure whether battery or charger is dead or not, you must have a voltmeter to test a charger. If still unsure, please send us an Amazon message so that we can provide more help. Color : Black CompatibleDevices : Philips Norelco SP9841, SP9841/84 (fit This Model ONLY) CompatiblePhoneModels : Philips Norelco SP9841, SP9841/84 (fit This Model ONLY) ConnectivityTechnology : Wall power socket ConnectorType : barrel connector CustomerPackageType : Standard packaging IncludedComponents : 1 x Power Cord InputVoltage : 120 volts IsPortable : 1 ItemName : (4ft) AC DC Adapter Charger for Philips Norelco SP9841, SP9841/84 (fit This Model ONLY) Shaver Razor Trimmer Compatible Replacement Power Supply Battery Charging Cord Cable Adaptor Wall Mains Wire ItemPackageDimensions_Height : 0.56 inches ItemPackageDimensions_Length : 2.48 inches ItemPackageDimensions_Width : 0.56 inches ItemPackageQuantity : 1 ItemTypeKeyword : mens-electric-shaver-accessories Manufacturer : GuyPower Material1 : Plastic Material2 : Metal ModelName : 1042661_bf_SDOTH-H17524 ModelNumber : 3911E00212 MountingType : Wall Mount NumberOfItems : 1 NumberOfPorts : 1 OutputCurrent : 1 amps OutputVoltage : 15 volts PartNumber : A4650 PowerPlugType : type_a_2pin_na PowerSourceType : Corded Electric ProductDescription : Premium Quality Power Adapter ProductSiteLaunchDate : 2023-10-19T07:00:00.000Z Reusability : Rechargeable SpecificationMet : CE SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 26111704 Voltage : 120 volts_of_alternating_current WarrantyDescription : Warranty: 30 Days Refund