Specification Amperage : 0.5 amps Brand : insziii BulletPoint1 : 【USB-C Charge Design】These 9V lithium batteries are easily charged with a 4-in-1 USB-C cable, eliminating the need for a charger and adapter, and can be fully charged in approximately 2.5 hours. Built-in LED shows the charging process, with a red light indicating charging and a green light indicating full charge. BulletPoint2 : 【9V Constant Voltage】The insziii lithium-ion battery has a capacity of up to 4100mWh with a constant 9V voltage providing stable power and longer operating time for devices used at high frequencies, such as smoke detector, wireless microphones, toys, flashlights, home security devices, medical devices, etc. BulletPoint3 : 【Over 600 Cycles】The rechargeable 9V lithium-ion battery has 600 cycles, no memory effect, can be charged at any time, will help you save big money and save time compared with single-use batteries, which are very convenient and reliable. BulletPoint4 : 【Multiple Safety Protection】Built-in integrated safety circuit to ensure safe operation. When the battery is fully charged, it will automatically stop charging, effectively preventing overcharging, overcurrent, overvoltage, overheating, and short circuit. BulletPoint5 : 【Energy-Saving Battery】Loving the environment starts with rechargeable Li-ion 9V batteries, which save thousands of alkaline batteries and reduce landfill waste. ContainsBatteryOrCell : battery Hazmat1 : UN3480 ItemName : insziii Rechargeable 9V Lithium Batteries 4 Pack, USB-C 4100mWh Long Lasting 9 Volt Size Batteries, High Capacity Li-ion Battery, for Smoke Alarms, Wireless Microphones, Guitar, Toys ItemPackageDimensions_Height : 4.21 inches ItemPackageDimensions_Length : 3.07 inches ItemPackageDimensions_Width : 0.99 inches ItemPackageQuantity : 1 ItemTypeKeyword : 9v-batteries Manufacturer : insziii ModelName : TC9V-4100-4P ModelNumber : TC9V-4100-4P NumberOfItems : 4 NumberOfLithiumIonCells : 4 ProductDescription : 1, Designed for high performance, the insziii rechargeable battery provides a superior solution for any of your battery needs. That's because our 4100mwh lithium-ion battery is not only long-lasting and durable, but also can be recharged more than 600 times, have no memory effect, and can be recharged at any time. It is smart and safe, so you don't have to worry about low power and leaking batteries anymore. 2, Rechargeable 9V batteries are widely used, such as smoke alarms, wireless microphones, toys, radios, flashlights, electric guitars, multimeters, metal locators, and other household devices. 3, You will get: insziii 4100mWh 9V Li-ion battery*4 + USB Type-C Cable*1 ProductSiteLaunchDate : 2025-06-23T18:58:55.699Z RecommendedUsesForProduct1 : toys RecommendedUsesForProduct2 : wireless microphones RecommendedUsesForProduct3 : smoke detector Reusability : Rechargeable SupplierDeclaredDgHzRegulation : transportation SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 4 UnspscCode : 26111701 Voltage : 9 volts WarrantyDescription : No Warranty