3X MPPT Solar Charge Controller 4.2V 3.7V 18650 Lithium Battery Charger Module with Protection Function SD05CRMA

Item Type: Battery Solar Charge Module LED Indicator: LED is charge status indicator; OK LED is OR constant voltage mode Instruction: The adaptive unit on the module can adjust charging current automatically based on the output capability of input power supply so it is for the solar-powered or the applications that need to charge - battery or battery with an input power supply whose output capability is limited. If your solar panel is 5V then you can use it directly. Of course the module can also be powered by a 5V DC power supply. Material:plastic colour:blue Package Contents: 3 x MPPT Solar Controller Only the above package content other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.