5V 2A Dual USB Power Bank Module – DIY Charging Board | Reliable & Compact

Dual USB output ports (5V/2A shared) – charge two devices at once Compatible with 3.7V–5V lithium-ion and polymer batteries (e.g., 18650) Built-in protection against overcharge, over-discharge, and short-circuit Compact and lightweight PCB (approx. 68mm × 30mm × 12mm) Energy-efficient design for extended battery life Simple wiring – ideal for DIY users, students, and repair technicians Suitable for custom power banks, portable chargers, and electronics projects