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:: Home » Battery indicators

Battery indicators

All post about the battery indicators

Battery full charge alarm circuit

Last Updated on: November 23, 2021 by ElecCircuit.com
Alarm light circuit for battery charger

The Battery full charge alarm circuit for a general battery charger. It is simplified circuit and cheap, use one transistor BC557 and display with 2 LED. Read more

Categories Battery Chargers Tags Battery indicators, Lead Acid Battery Chargers, Light Alarm Circuits 15 Comments

8 Low Battery Voltage Alarm indicator circuits

Last Updated on: November 23, 2021 by Apichet Garaipoom
Battery low voltage alarm indicator circuits

Why your circuit does not work? Because the battery is run out. These low voltage indicator circuits may helpful for you. If you can know before and change a new one right now. It makes you not have to waste time when using those projects. Read more

Categories Meters & Detectors Tags Battery Testers, Battery indicators 14 Comments

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