Specification Amperage : 13 amps BatteriesIncluded : 1 BatteriesRequired : 1 Brand : HearMore BulletPoint1 : Combo dual battery holder and tester BulletPoint2 : Built-in drawer holds two type 675 batteries or smaller BulletPoint3 : Includes chain to attach to a keychain, purse strap, etc. BulletPoint4 : Walgreens CompatibleDevices : Hearing Aid ExternallyAssignedProductIdentifier1 : 0612750423161 ExternallyAssignedProductIdentifier2 : 612750423161 ExternallyAssignedProductIdentifier3 : 00852259003604 IncludedComponents : Cell Max A13 Zinc Air Hearing Aid 2Pk ItemDisplayWeight : 0.02 pounds ItemName : Compact Mini Hearing Aid Battery Charge Indicator ItemPackageDimensions_Height : 0.762 centimeters ItemPackageDimensions_Length : 10.16 centimeters ItemPackageDimensions_Width : 6.096 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hearing-aid-batteries Manufacturer : HearMore ModelName : 312 40 ModelNumber : CM-A13-BP2 NumberOfItems : 1 PartNumber : 402316 PowerSourceType : Battery Powered ProductDescription : This Compact Mini-Charge Indicator is one of the industry's most popular testers. It's a self-contained combination dual battery holder and tester with hideaway features. PRODUCT FEATURES: - Convenient to carry in pocket or purse - For use with zinc air, silver, or mercury batteries - Large indicating bulb gives clear indication if battery is dead, weak or at full power - Drawer which slides out from side of tester holds two type 675 batteries or smaller - Includes plated ball chain to easily attach to a belt, purse, backpack or keychain ProductSiteLaunchDate : 2017-01-26T00:00:00.000-08:00 RecommendedUsesForProduct : Hearing Aid Reusability : Single Use UnitCount : 1 Voltage : 1.4 volts