Low Battery Alarm Sensor Car 12VDC Project Kit DIY Electronic Circuit Kit : FA915

This board can alert you by sound when the battery is low / setting low voltage from 9V to 12V.

Features

• This board can alert you by sound when the battery is low / setting low voltage from 9V to 12V.
• Technical information: No Supply needed to the circuit. Direct connect to Car battery.
• One POT to adjust alarm voltage 9-12VDC. Normally alarm voltage will be set at 10VDC.
• PCB size : 1.87″ x 1.43″
• Example: You set alarm voltage at 10V, when you connect the board to you car battery, buzzer on board will sound to alert you that your battery is too low ( voltage is below 10V ). Something may happen to your battery, or charging system. It is good for you to pre-check what happen.