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Lead Acid Battery Chargers

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4 Lead acid battery charging circuit using LM317
Posted inBattery Chargers

6V, 12V, 24V Lead acid battery charger using LM317

See 4 LM317 Lead-acid battery charger circuits for 6V, 12V, and 24V battery. With automatic charging and full charged Indicator using TL431. Easy to build.
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Converts power supply to automatic battery charger using SCR-CA723
Posted inBattery Chargers

Converts power supply to automatic battery charger using SCR-CA723

This is how to modify old Lead-acid battery charger or convert power supply to battery charger in automatic. To protect over charging by CA723 and power SCR
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Automatic Lead-Acid Battery Charger
Posted inBattery Chargers

Automatic battery charger circuit

Power up smart. Increase your time easily!
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Alarm light circuit for battery charger
Posted inBattery Chargers

Battery full charge alarm circuit

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.
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Make Cheap 6V battery charger circuit from mobile charger
Posted inBattery Chargers

Make cheap 6V battery charger circuit from a mobile charger

Modify cheap mobile phone charger inside is simple DC switching regulator circuit and can apply many ways, such as DC power supply
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