220V to 12V Transformerless Battery Charger
Автор: MW Electronics Lab
Загружено: 2025-09-07
Просмотров: 392258
Описание:
I made a simple 220V to 12V battery charger using a capacitor dropper circuit. It gives 12V 500mA output for charging small 12V lead-acid batteries. The circuit uses a CBB22 105J capacitor, bridge rectifier, 12V zener, and filter capacitor.
⚡ Warning: This circuit is non-isolated and directly connected to AC mains. Build only for learning and with proper safety precautions.
Hashtags:
#Electronics #BatteryCharger #DIYProjects #12VBattery #ElectronicsLab #ArduinoProjects #MW_Electronics_Lab
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