The INR21700 5000mAh 3.7V Cylindrical Lithium-Ion Rechargeable Battery is designed for high-capacity and long-lasting performance. With stable discharge and high energy density, it is ideal for applications like e-bikes, electric vehicles, solar storage, power tools, drones, and other electronic devices. Built with advanced lithium-ion chemistry, it provides reliable power, efficiency, and durability for heavy-duty and continuous usage.