The Duracell DL2430 CR2430 lithium coin cell battery is used in small electronic devices such as calculators, remote controls and watches. However, the user should make certain that this lithium battery is of the correct size and voltage before installation. Of particular note is that the DL2430 line of batteries are known for their ability to provide a steady stream of minimal voltage when only occasional needs for higher a higher output is required. The maximum output is three volts. As it is manufactured by Duracell, quality and satisfaction are always assured. Please note that the DL2430 is able to replace an existing CR2430 lithium battery. The fact that it is comprised of lithium provides the additional benefit of having a considerably long shelf life.