MPPT Solar Controller 1A 5V für 3,7 V 4,2 V 18650 Lithium Akku Ladegerät Modul
ab 2,97 €
The maximum charging current/output current is 1A, but you can change the current by changing the value of the R1 resistor. If your solar panel is 5V, then you can use it directly. 1: Suitable for solar power generation system.
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