Feature highlights State capacitor 36u thickened circuit board Q value and power inductance strip output LED indicator light Operational note As this is a module, to ensure stable output please maintain a minimum voltage difference of 1.5 V Protection and versatility Builtin overcurrent protection capabilities Suitable as a battery charger, LED constantcurrent driver module, and more Applications and use scenarios Battery charging projects: use as a compact charger module with protection to safely charge small packs and batteries in DIY projects and portable devices LED lighting systems: operate as a LED constantcurrent driver to regulate LED current for consistent brightness and long life General power management in DIY electronics: deploy as a modular, protected power stage for small projects, robotics, or testing setups where stable output and protection are beneficial Specifications and build notes Module design emphasizes a sturdy 36u thickened circuit board, with a state capacitor and a Q, power inductance strip output Includes an LED indicator to provide a visible status signal for quick verification during setup and operation This description preserves the original product features and functions while presenting a clear, customerfriendly overview with practical use cases.