In this video, I'll show you how I built a 20,000mAh DIY power bank using a LiFePO4 battery and an affordable fast-charging power bank module.

Despite costing only around $10, this project supports 22.5W fast charging and is compatible with multiple charging protocols, making it a powerful and budget-friendly portable charger.

Features
20,000mAh LiFePO4 Battery
Only ~$10 Build Cost
22.5W Fast Charging
QC 3.0 Support
USB Power Delivery (PD)
VOOC Fast Charging
Multiple USB Outputs
DIY & Beginner Friendly

This project is perfect for anyone interested in DIY electronics, portable power solutions, or building a reliable power bank with LiFePO4 cells.

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