Type-C USB 5V 3A 3.7V 18650 Lithium Li-ion Battery Charging Board Charger Mod·:J
2,18 €
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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