Hi all, I am running a 12V fan powered by LI-ion battery pack (11.1V mAh 57.72wh) with an arduino doing PWM control. There is a DC to DC to convert (5V 500ma out thru) the 11.1V to 5 V to power the arduino from the battery pack. My question is, can I charge the battery while the arduino is running…

charging a 11.1V lithium ion battery pack while connecting to arduino

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