How to use battery buzzer

Battery buzzer, a small and light useful tool, detecting low voltage on individual cells. A loud alarm will sound if any individual cell drops to 3.3V or below.

How to use battery buzzer

How to use battery buzzer

How to use battery buzzer

To work on sprayer drone, we need adjust alarm voltage from 3.3V to 3.7V.

How to use battery buzzer

Push the small button on side face, from 3.30V to 3.40V, 3.50V, 3.60V until to 3.70V.

How to use battery buzzer

A loud alarm will sound if any individual cell drops to 3.7V, then please land the drone ASAP.

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