2hrs Type-C Charging 9v Lithium Battery Block 6f22 LR22 Smoke Alarm Rechargeable usb 9v battery lithium-ion,no need extra 9v charger,you can charge it via any 5v input device.such as PC,power bank,phone charger and car charger. Portable Type-C charging li-ion 9v battery,low self-discharge.no memory record effection.more convenient than traditional rechargeable 9v battery in travel. Build-in smart BMS,protect battery from Over Current & Voltage,Over Charge & Discharge,Short Circuit 2hrs Fast charging,Intellgent LED indicator to show charging statusred light during charging,green light after fully charged. 1000mAh high capacity,long last than 600mah/850mah 9v lithium battery and 1.2v nimh 9v battery. Constant 9vlot battery,provide stable and accurate performance than 8.4v li-ion 9v battery.2 years worry-free warranty Battery Capacity: 1000mAh @0.2C @ 25(9000mWh） Fully charged voltage: 9 V Input: 5V/0.5A ~ 2A Continuous discharge current：max 300ma Charging temp: 0~45℃ Discharging temp:-20~50℃ Dimension: 48,5 * 26,5 * 17,5 (mm) Perfect for Digital toys and games, flashlights, radio controlled toys, smoke detectors, tools, flashlights, guitar, digital devices such as radios, clocks, etc. Also known as : 1604, 1604A, 1604AC, LR22, MN1604, BLOC, E-BLOC, 6LR61, 1604AU, X22, 4022, 522, 6AM6, 6F22, 9VOLT, A1604, CLR6, K9V, KA9, ND65V.