This series of products with protection board, with the function of preventing overcharging, overdischarging, overcurrent, short circuit and so on.Mainly suitable for amplification, mobile video,indoorSquare dance speakers/sound field (in a room or theater),Camcorders, Walkie Talkies, Navigation/Locator (GPS), Smoke Alarms, Banknote Detectors, Backup Power Supplies, Medical Devices, Smart Home/Internet of Things, LED Lighting Fixtures/Strong Lights/Night Fishing Lights,Survey and Mapping InstrumentsThe product is a variety of electronic products or devices, such as cell phones, toys, and so on.

Electrical Characteristics:
Charging current: standard ~0.1C/fast ~0.2C
Charging time: 0.1C*15hrs(standard)/0.2C*7.5hrs(fast)
Standard charging method: 0.1C constant current (CC) charging to 4.2V/string, then 4.2V/string constant voltage (CV) charging to current less than 0.01C.
Maximum charging current: 0.5C | 0.2C below 20°C
Continuous discharge current: 0.5C | 0.1C below 10℃.
Maximum discharge current: 1C | 0.2C below 10℃.
Discharge cutoff voltage: 2.75V/string
Minimum storage voltage: 3.7V/string, otherwise it should be recharged in a timely manner.

Temperature Characterization:
Charge: 10~45℃ Discharge: -10~55℃ Storage: 0~25℃
Relative humidity: 45~85%