User Manual

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The yellow LED Is flickering on my Feather, but no battery is plugged in, why is that?

The charge LED is automatically driven by the Lipoly charger circuit. It will try to detect a battery and is expecting

one to be attached. If there isn't one it may flicker once in a while when you use power because it's trying to charge

a (non-existant) battery.

It's not harmful, and its totally normal!