21700 - 5000mAh 3.7V Rechargeable Lithium Batteries | High-Capacity Power for Flashlights & Devices

21700 - 5000mAh 3.7V Rechargeable Lithium Batteries | High-Capacity Power for Flashlights & Devices. 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.