a few ways: 1. if the capacity is large, if you have an analog meter, then you may see the handle move when charging. 2. if your meter has the option of measuring capacitor. 3. you may use your eyes to see, like this one:
【在 z*****8 的大作中提到】 : a few ways: : 1. if the capacity is large, if you have an analog meter, then you may see : the handle move when charging. : 2. if your meter has the option of measuring capacitor. : 3. you may use your eyes to see, like this one: