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7.4V dual-cell lithium battery charging module

Overview

This 7.4V dual-cell lithium battery charging module
uses the IP2325-5V input dual-cell series lithium battery boost charging IC.
It is powered by a Type-C port, boosting the 5V voltage to 7.4V for charging the lithium battery. It features a power indicator and a battery charging indicator. The battery charging LED indicator lights up during charging and turns off when fully charged; it flashes when an abnormality is detected.
Resistor R4 is used to select the constant voltage charging voltage, which can be modified according to the IP2325 datasheet.
Resistor R6 is the battery temperature NTC resistor connected in parallel; this can be modified according to the actual situation. If no NTC resistor is available, a 5.1K resistor is used.

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Update:2026-03-27 15:31:48

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