Modulo di carica solare 1A 4.2V 3.7V 18650 LiPo Li Ion caricabatterie litio MPPT
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. If you do not receive our reply within 48 hours, pls.