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.
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
Posted inBattery Chargers
Automatic battery charger circuit
Power up smart. Increase your time easily!
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.
Posted inBattery Chargers
Gel cell battery charger circuit
It can charge any size of the Gel cell batteries and extend the life of the Gel Cell battery. While the circuit is running, the LED indicates charging.