The 22.5W Dual USB Mobile Power Bank Charging Module is a high-performance 18650 battery charging solution designed for DIY power banks and portable electronic devices. Supporting a wide range of battery types (4.2V, 4.35V, 4.4V, 4.5V) and multiple fast-charging protocols, this module delivers efficient, safe, and reliable charging with built-in NTC temperature protection and LED indicators for status monitoring. Its multi-port design allows simultaneous charging of various devices including smartphones, tablets, and USB-powered gadgets.

Features:

• Wide Battery Compatibility: Supports 4.2V, 4.35V, 4.4V, 4.5V 18650 lithium-ion batteries with currents up to 5A and efficiency up to 95%.

• Multi Protocol Fast Charging: Supports PPS, PD3.0, PD2.0, QC4+, QC4, QC3.0, QC2.0, AFC, FCP, SCP, PE2.0, PE1.1, SFCP, VOOC and other fast-charging protocols.

• 5 USB Ports: Includes Type-A1, Type-A2, Micro-B, Type-C, and iOS interface ports for versatile device compatibility.

• Multi-Function: Features 12-bit ADC, coulomb meter for precise battery monitoring, and integrated decryption functions.

• High Safety: Equipped with input overvoltage, output overcurrent, short-circuit protection, overvoltage protection, charging timeout, and NTC temperature protection.

• Three-Stage Charging Process:

  • Trickle Mode: Battery voltage <3V, charging current 300mA.

  • Constant Current Mode: Battery voltage >3V, full-speed charging up to 21W.

  • Constant Voltage Mode: Battery reaches target voltage (e.g., 4.2V), current gradually decreases until charging ends. Auto-restart if battery voltage drops below 0.1V of target.

• LED Indicators: Displays charging status for battery and output.

• Operating Temperature: 10–40°C for reliable performance in varied environments.

Specifications:

• Item Type: Mobile Power Bank Charging Module

• Supported Battery Voltage: 4.2V / 4.35V / 4.4V / 4.5V

• Material: PCB

• Operating Temperature: 10–40°C

• Dissipation Power: 22.5W

• BC1.2 Module: Supports BC1.2 mode

• Input Fast Charging Protocols: PD3.0, PD2.0

• Output Fast Charging Protocols: PPS, PD3.0, PD2.0, QC4+, QC4, QC3.0, QC2.0, AFC, FCP, SCP, PE2.0, PE1.1, SFCP, VOOC

• Output Ports: Type-A1, Type-A2, Micro-B, Type-C, iOS interface

• Max Current: 4.5A

Applications:

• DIY 18650 battery power banks

• High-speed charging circuits for smartphones, tablets, and portable devices

• Multi-protocol fast charging stations

• Safe charging solutions with integrated NTC temperature protection

• Battery backup systems for IoT and portable electronics

• Power bank projects for hobbyists and professionals

How to Use:

• Connect compatible 18650 batteries to the module according to polarity.

• Supply power via USB Type-C or USB input to charge the battery.

• Connect devices to USB ports for output charging.

• Monitor LED indicators to track charging status and battery levels.

• Ensure NTC temperature sensor is unobstructed for proper protection.

• Follow three-stage charging sequence for optimal battery health.

Package Includes:

• 1 x 22.5W Dual USB QC4.0 / QC3.0 Mobile Power Bank Charging Module

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