Package included: 1X Battery NOTE:If your can not recognize the new battery, the battery cannot be fully charged or goes to 0% instantly,please change the laptop's Power Manager Charge Setting to the "Standard" mode, then discharge and recharge the battery 3-4 times. In this way, the battery may be recognized or recover to have a good capacit ProductSiteLaunchDate : 2024-04-16T14:27:23.348Z RecommendedUsesForProduct : Headphone RecommendedUsesForProduct1 : Clock RecommendedUsesForProduct2 : Cordless Telephone Batteries Reusability : Rechargeable SafetyDataSheetUrl : https://www.bornmieo.com/product/MSDS.pdf SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : transportation SupplierDeclaredDgHzRegulation2 : storage SupplierDeclaredDgHzRegulation3 : other UnitCount : 1 UnspscCode : 26111701 Voltage : 3.7 volts WarrantyDescription : 1 year