The main feature of the batteries of lithium is the high capacity of energy storing and long life useful, even without be rechargeable. Are excellent for the alarm and other security systems, lighting, systems of automatic irrigation, machinery, computers, robots etc.. among others.
There are three types most common voltages in batteries of lithium are:
Li-Fe - S 1.5V... AA 2900mAh, AAA 1100mAh
Li-MnO2 3.0V... CR123A, batteries of button
Thionyl chloride 3.6V...AA of lithium, 1/2AA, 2/3AA, C, D, size DD