The Illinois Capacitor/Cornell Dubilier RJD3048HPPV30M is a high-quality rechargeable LI-ION coin cell battery with a voltage of 3.7VDC and a capacity of 300mAh. With a compact size of 30mm in diameter and 4.9mm in thickness, this battery is designed for easy integration in a variety of devices. Equipped with a convenient connector, the RJD3048HPPV30M offers a reliable power source for your electronic applications.