Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : CGW Abrasives BulletPoint1 : This battery is compatible with Moxee Mifi Hotspot K779HSDL, please carefully check your phone model before purchase. BulletPoint2 : When you replace your old battery, please carefully and gently disconnect your old battery's cable then connect your new battery to the mainboard. If you phone cannot be powered on with the new battery, you may need to install it again and be sure to check if the cable has been properly connected. BulletPoint3 : If you have any questions or got any issues with our product, please feel free to contact us, we will reply to you within 24 hrs. We highly appreciate your kind patience. BulletPoint4 : All the batteries have been tested before shipping out, No installation instruction. BulletPoint5 : Need professional installation technology,We won't responsible for any damage due to improper operation. Color : For 4S CompatibleDevices : Telephone CompatiblePhoneModels : Compatible for iPhone 4S A1431, A1387 ConstructionType : Grinding ExternallyAssignedProductIdentifier1 : 0655332356228 ExternallyAssignedProductIdentifier2 : 655332356228 Hazmat1 : LITHIUM ION BATTERIES Hazmat10 : CN_SmallLithiumIonBatteryStandalone Hazmat11 : DE_SmallLithiumIonBatteryStandalone Hazmat12 : EG_SmallLithiumIonBatteryStandalone Hazmat13 : ES_SmallLithiumIonBatteryStandalone Hazmat14 : FR_SmallLithiumIonBatteryStandalone Hazmat15 : GB_SmallLithiumIonBatteryStandalone Hazmat16 : IN_SmallLithiumIonBatteryStandalone Hazmat17 : IT_SmallLithiumIonBatteryStandalone Hazmat18 : JP_SmallLithiumIonBatteryStandalone Hazmat19 : MX_SmallLithiumIonBatteryStandalone Hazmat2 : UN3480 Hazmat20 : NL_SmallLithiumIonBatteryStandalone Hazmat21 : PL_SmallLithiumIonBatteryStandalone Hazmat22 : SA_SmallLithiumIonBatteryStandalone Hazmat23 : SE_SmallLithiumIonBatteryStandalone Hazmat24 : SG_SmallLithiumIonBatteryStandalone Hazmat25 : TR_SmallLithiumIonBatteryStandalone Hazmat26 : US_SmallLithiumIonBatteryStandalone Hazmat27 : ZA_SmallLithiumIonBatteryStandalone Hazmat3 : II Hazmat4 : 9 Hazmat5 : AE_SmallLithiumIonBatteryStandalone Hazmat6 : AU_SmallLithiumIonBatteryStandalone Hazmat7 : BE_SmallLithiumIonBatteryStandalone Hazmat8 : BR_SmallLithiumIonBatteryStandalone Hazmat9 : CA_SmallLithiumIonBatteryStandalone IndustryStandardIdentifier : Type 27 ItemName : Depressed Center Wheels- 1/4" Grinding, Type 27-4-1/2x1/4x7/8 a24-n-bf Steel t27 dp ct whl [Set of 10] ItemPackageDimensions_Height : 18.1102 centimeters ItemPackageDimensions_Length : 1.905 centimeters ItemPackageDimensions_Width : 9.0932 centimeters ItemPackageQuantity : 10 ItemTypeKeyword : abrasive-cutoff-wheels Manufacturer : CGW Abrasives Material : Ceramic ModelName : A1431 ModelNumber : i4S NumberOfItems : 1 NumberOfLithiumIonCells : 1 PartNumber : 421-35622 ProductDescription : 421-35622 Features: -Cuts faster, smoother and provides longer life. -Zirconia grain provides high performance grinding and very long life. -R bond design offers longer life and excellent stock removal. -N bond design offers rapid stock removal. Product Type: -Bonded Abrasives/Cut Off Wheel/Grinding Wheels. Generic Dimensions: -Thickness: 1/4 in. Dimensions: Overall Product Weight: -0.34 Pounds. ProductSiteLaunchDate : 2010-12-04T13:37:30.215Z RecommendedUsesForProduct : Phone Reusability : Rechargeable Size : 1 Count (Pack of 1) SupplierDeclaredDgHzRegulation : transportation SupplierDeclaredDgHzRegulation1 : storage SupplierDeclaredDgHzRegulation2 : transportation UnitCount : 1 Voltage : 3.7 volts WarrantyDescription : 90 days