Mini USB 5V Step Up Booster Lithium Battery Charging and Protection Module Micro Charging Board for Power Bank

Mini USB 5V Step Up Booster Lithium Battery Charging and Protection Module Micro Charging Board for Power Bank (Pack of 5). High quality electronic component suitable for Arduino, robotics, DIY electronics projects, circuit development, and learning applications. Durable design ensures reliable performance and easy integration in breadboard and PCB circuits.