This 2000mAh 3.6V battery from Ultralife is an extremely long-lasting battery designed for higher power applications, making it ideal for military and other radio applications, alarm and security systems, beacons/emergency location transmitters, GPS and LED lighting applications. Other features include high and stable operating voltage, higher power and higher energy for the whole battery life, superior drain capability and low self-discharge rate.
Exceeds 10-year shelf life (depending on application)