4,2 V 3,7 V 18650 LiPo Li Ion Akku Ladegerät MPPT Solar Laderegler Modul
3,97 €
Feature: 1. 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. If you do not receive our reply within 48 hours, pls.
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