Specification Amperage : 7.4 amps Brand : Voicebooster Speak Out BulletPoint1 : POWERFUL RECHARGEABLE BATTERY: This 7.4V 2000mAh rechargable battery delivers reliable power and long cycle life for VoiceBooster and Aker voice amplifier models 12 watts or larger. Only one is needed per amplifier. BulletPoint2 : REPLACEMENT BATTERY FOR LARGE AMPLIFIERS: Designed for MR1505, MR1700, MR2100, MR2200, MR2300, MR2505, MR2700, MR2800, MRAK28, MRAK38, MR160; not for MR1506, MR2506, MR1508, or MR100 models. BulletPoint3 : HIGH PERFORMANCE AND FAST CHARGING: This solo rechargeable battery offers smart enhancements for wireless outdoor presentations, ensuring your voice amplifier runs strong with fewer interruptions. BulletPoint4 : EASY INSTALLATION WITH RELIABLE POWER: Simple to install and built to last—this battery offers a long cycle life and restores your portable amplifier’s full power for confident public speaking and daily communication. BulletPoint5 : DURABLE BATTERY FOR VOICE AMPLIFIERS: Enjoy a dependable 2000mAh cycle life for your audio devices; ideal for large amplifier units needing a strong, rechargable power source for outdoor and indoor use. CompatibleDevices : Amplifier ExternallyAssignedProductIdentifier1 : 028672637010 ExternallyAssignedProductIdentifier2 : 0028672637010 Hazmat1 : LITHIUM ION BATTERIES Hazmat10 : GB_SmallLithiumIonBatteryStandalone Hazmat11 : IN_SmallLithiumIonBatteryStandalone Hazmat12 : IT_SmallLithiumIonBatteryStandalone Hazmat13 : JP_SmallLithiumIonBatteryStandalone Hazmat14 : MX_SmallLithiumIonBatteryStandalone Hazmat15 : SG_SmallLithiumIonBatteryStandalone Hazmat16 : US_SmallLithiumIonBatteryStandalone Hazmat17 : 9 Hazmat2 : UN3480 Hazmat3 : II Hazmat4 : AU_SmallLithiumIonBatteryStandalone Hazmat5 : CA_SmallLithiumIonBatteryStandalone Hazmat6 : CN_SmallLithiumIonBatteryStandalone Hazmat7 : DE_SmallLithiumIonBatteryStandalone Hazmat8 : ES_SmallLithiumIonBatteryStandalone Hazmat9 : FR_SmallLithiumIonBatteryStandalone IncludedComponents : Battery ItemName : Voicebooster Speak Out Replacement Battery for Large VoiceBooster & Aker Voice Amplifiers - 7.4V 2000mAh Rechargeable Battery – Long Life, Fast Charging and Reliable Power ItemPackageDimensions_Height : 1.016 centimeters ItemPackageDimensions_Length : 16.51 centimeters ItemPackageDimensions_Width : 10.922 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : two-way-radio-batteries Manufacturer : Voice Booster ModelName : AKRLGBTRY ModelNumber : AKRLGBTRY NumberOfItems : 1 PartNumber : AKRLGBTRY ProductDescription : Power up your voice amplifier with this powerful 7.4V 2000mAh rechargeable battery—engineered for VoiceBooster and Aker models 12 watts or larger. With a long cycle life and fast-charging performance, this battery ensures your amplifier stays strong during public speaking, teaching, outdoor presentations, guiding tours, or coaching. Designed as a direct replacement for MR1505, MR1700, MR2100, MR2200, MR2300, MR2505, MR2700, MR2800, MRAK28, MRAK38, and MR160 models, it installs easily for instant power. Not compatible with MR1506, MR2506, MR1508, or MR100. This single rechargeable battery provides the reliable power source you need for wireless use, indoor or outdoor, eliminating interruptions and enhancing your portable PA system. Perfect for classrooms, street performances, and tour groups, it’s a must-have for any large amplifier setup. One battery powers one amplifier—no need for extras. ProductSiteLaunchDate : 2013-05-12T20:46:09.569Z RecommendedUsesForProduct : Indoor/Outdoor Reusability : Rechargeable Size : Large (2000mAh) UnitCount : 1 UnspscCode : 26111701 Voltage : 7.4 volts