For the new battery , we suggest that all of our customer should full charge it by AC power adapter ,because takes a long period, the capacity was strain out by inner PCB circuit, in order to protect your battery life,you can full charge to 100% and drain to 1% 2 times,then the capacity will recover. ProductSiteLaunchDate : 2016-11-07T08:00:00.000Z RecommendedUsesForProduct : Laptop Reusability : Rechargeable Size : 9 Cell SupplierDeclaredDgHzRegulation : transportation SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 26111701 Voltage : 11.1 volts WarrantyDescription : 24-month Wattage : 41.7 watt_hours