Modulo caricatore scheda ricarica batteria litio Type-C USB 5V 3A 3,7V 18650

Default 3A, remove resistor 2A, replace with 135k resistor 1A. Charging current: 3A (can change current by adjusting resistance). Conversion efficiency: 3A 93%, 2A 94%, 1A 95% (data is for reference only).

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