3.7V Lithium Battery Solar Controller USB Charging Module Board

The main components USB output port2 54mm output port2 54mm input portUSB input portSolar power management chip CN3083Automatic pressure drop switch Features Automatic rechargingCharging status and charge end state dual indication outputAutomatically enters low power sleep mode when power supply voltage is lostSupport automatically adjust the charge current based on the current output capability of the input voltage sourceUse trickle charge mode when battery voltage is lowConstant current constant voltage constant temperature mode chargingIt can both maximize the charging current and prevent the chip from overheatingInput voltage range 4 4V to 6VConstant voltage charging voltage 4 2V Application Note Red light indicates chargingGreen light indicates complete chargingInput port should be kept at 4 8V to 6 5VPlease do not contaminate with conductive liquid to avoid short circuitsKeep the surrounding environment safe and airy when using Package includes 1 x Charging Module