Note: The input voltage is limited to 5V. During use, do not input a voltage greater than 5V (although the input voltage is 4~8V).
Use IC: TP4056
Red LED means: charging...
Green LED means: fully charged.
———————————————— Actual measurement process ————————————————————
When the battery power is relatively low (2.7V) - trickle charging:
When the battery power is medium (3V) - high current charging:
In addition, the charging current can be changed by adjusting the resistance of R2 in the schematic diagram, as shown in the following table:
When the battery is close to full capacity (4.1V) - reduce current charging:
When the battery is fully charged (4.2V) - no longer charging and the LED green light is on:
BOM table:
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