Li-Ion Lithium Akku Ladegerät 1A 4,2 V 3,7 V MPPT Solar Laderegler
3,47 €
Maximum charging current/output current is 1A, but you can change the current by changing the value of the R1 resistor. Feature: 1. If your solar panel is 5V, then you can use it directly. Otherwise deal is final.
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