22.5W Bidirectional Fast Charging Power Bank Module | Type‑C + USB‑A | PD3.0 QC4+ QC3.0 QC2.0 | 3.7V Lithium Battery DIY Circuit Board with Digital Display
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₨ 770
- 🔌 Full Protocol Support — PD3.0/2.0, QC4+/QC3.0/2.0, FCP, SCP, PPS, AFC, PE, SFCP
- 🔄 Bidirectional Fast Charging — Type‑C + USB‑A ports for charging devices and recharging the module
- 📟 Digital Display — Real‑time battery percentage with LED indicator
- ⚙️ Automatic Load Detection — Smart switching between heavy and light loads
- 🚀 High Efficiency — Up to 96% conversion, stable 22.5W output
- 📏 Compact Design — Small PCB size, normal heating under high power
- 🛠️ Wide Application — Perfect for DIY power banks, portable electronics, and industrial projects
- 🛡️ Strong Protection — Overcurrent, short‑circuit, over‑voltage, and timeout safeguards
- 🔋 Parallel Battery Support — Works with multiple 3.7V lithium cells in parallel (no series)
- ⚡ High‑Current USB Output — Up to 5A for demanding devices
Compact and powerful, this 22.5W bidirectional fast charging module is designed for DIY power banks and portable electronics. Supporting PD3.0/2.0, QC4+/QC3.0/2.0, FCP, SCP, PPS, AFC, PE, SFCP, it ensures compatibility with mainstream fast‑charging protocols. Built for 3.7V lithium batteries (polymer, 18650, 21700), it features a digital display, automatic load detection, and multiple protection systems. Perfect for hobbyists, makers, and industrial applications.
📊 Specifications
- Output Power: 22.5W
- Efficiency: Up to 96%
- Charging Current: Up to 5A
- Battery Support: 3.7V lithium (polymer, 18650, 21700)
- Display: Digital tube + LED indicator
- Protection: Overcurrent, short‑circuit, over‑voltage, timeout
- Ports: Type‑C + USB‑A
- Size: Compact PCB for easy integration
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