Solar Lamp Controller 3.7V/7.4V/11.1V Solar Light Circuit Board w/Remote Control
7,13 €
Step down module. Wireless module. Step up module. Adapter Module. Solar circuit board 1. Display module. There is a general power switch on the circuit board If you have your own switch line solder on it; if there is no switch line to the two solder joints with tin can also be connected.
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