Power Bank PCB Charging Module – 2x USB-A + USB-C + Micro-USB Multi-Port

Build your own power bank with this compact and feature-rich multi-port Li-ion battery charging and discharging PCB module. Equipped with dual USB-A output ports, a USB-C input/output port, and a Micro-USB input port, this board is ideal for DIY power bank projects, prototyping, and electronics hobbyists.

The onboard 2R2 inductor and dedicated charging IC ensure efficient boost conversion and stable output, making it a reliable core for your custom power bank enclosure.

Key Features

• Dual USB-A Output Ports: Charge two devices simultaneously
• USB-C Port: Supports both input (charging) and output (discharging)
• Micro-USB Input Port: Alternative charging input
• 2R2 Boost Inductor: Efficient DC-DC boost conversion for stable 5V output
• Dedicated Charging IC: Manages Li-ion battery charge/discharge cycles safely
• Compact PCB Form Factor: Easy to integrate into custom power bank enclosures
• LED Indicator Support: Onboard test points (TP1, TP2) for battery level indication
• B+ / B- Battery Pads: Standard Li-ion/Li-Po battery connection terminals

Applications

• DIY power bank projects
• Li-ion battery charger/discharger circuits
• Portable USB charging stations
• Electronics prototyping and maker projects

Compatibility

• Compatible with standard 18650 or Li-Po battery cells
• Works with any USB-C or Micro-USB power adapter for charging