The IP5328P Dual USB Fast Charging Power Bank Module (V1.0) is an all-in-one, highly integrated power management board designed for DIY 3.7V lithium-battery power banks. Featuring dual USB-A outputs, a USB-C bidirectional port, and a micro-USB input, it supports 18W multi-protocol fast charging (including QC3.0, PD3.0, FCP, and AFC). With its intelligent battery indicator layout and integrated safety protections, this circuit module is the perfect foundation for high-efficiency portable chargers and custom electronics backup systems.