3A Battery Charger and Power Supply
A simple power supply PCB that makes turning your projects into battery-powered builds much easier. It allows you to safely charge your Li-ion or LiPo battery and power your electronics from it, removing the hassle of wiring multiple modules together.
Key Features:
- Easy Battery Power: Seamlessly convert your projects to battery power.
- Flexible Output: Provides a constant, reliable 3.3V or 5V output at up to 3A max.
- Fast Charging: Charges batteries efficiently at up to 3A.
- BMS: Includes an onboard BMS for complete battery protection.
Core Components used:
- BQ25606RGER: Charger IC
- TPS63020DSJR: Buck-boost converter
- BQ29700DSER: BMS protection IC
Modes Available:
- Charging Current: 1A OR 3A.
- Output Voltage: 3.3V OR 5V modes depending on what your circuit demands.
What's Next?
I will be ordering the boards soon to test them and make sure everything works properly. After that, I plan to upload the Gerber files so anyone can easily order their own.
3A Battery Charger and Power Supply
Project images are for reference only. Actual production is based on the manufacturing files on the project page.
Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
PCBWay is not responsible
for issues caused by unsuitable parameter selections.
For more important ordering information, please refer to
Read More
Raspberry Pi 5 7 Inch Touch Screen IPS 1024x600 HD LCD HDMI-compatible Display for RPI 4B 3B+ OPI 5 AIDA64 PC Secondary Screen(Without Speaker)
BUY NOW- Comments(3)
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Engineer
Aug 22,2026
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Ali Kabalan
Aug 21,2026
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Engineer
Aug 21,2026
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