QC4.0/QC3.0 LED Dual USB Power Bank Module designed for charging 18650 batteries, with built-in 5V, 4.5A, and 22.5W output capabilities. Key features include temperature and circuit protection, and it supports various fast-charging protocols like PPS, PD 3.0, AFC, FCP, and SCP. Here’s a concise overview of the specifications and functionality:

Key Features

1. Current & Efficiency: Up to 5A current with 95% efficiency, optimized for high-performance charging.

2. Multi-Protocol Support: Supports multiple protocols for fast charging and compatibility with various devices (QC4+, QC3.0, QC2.0, AFC, SCP, etc.).

3. Output Power: Maximum output of 22.5W with wireless charging capability.

4. Ports & Compatibility:

   • Type-A: Dual ports support QC3.0, VOOC, PE2.0, and other fast-charging protocols.

   • Type-C: Bi-directional fast charging for input/output, with PPS/PD3.0 up to 12V.

   • Micro-USB: Supports QC2.0 fast-charging input.

   • Lightning Port: Supports 5V/2.4A charging.

5. Charging Modes:

   • Trickle Mode: Starts below 3V at 300mA for safety.

   • Constant Current Mode: Full-speed charging once battery reaches 3V.

   • Constant Voltage Mode: Gradual current reduction as battery nears full charge.

Specifications

• Voltage Range: Supports 7V-24V input; optimized at 9V during fast charging.

• Battery Support: Compatible with 4.2/4.35/4.4/4.5V battery types.

• Protection Features: Includes overcharge, over-discharge, and temperature loop control.

• Integrated Features: LED indicators, coulometer for precise charge monitoring, and auto-detection for load and light load.

This power bank module is ideal for DIY power bank projects requiring fast, reliable, and efficient charging options across various USB-compatible devices and protocols.