The world's longest lasting, highest energy cell is Tadiran, the ONLY battery PROVEN to last up to 40 years.
Battery - Non-Rechargeable - AA - Lithium - 3.6VDC - 2.1Ah - Axial Pin.
Battery - Non-Rechargeable - AA - Lithium - 3.6VDC - 2.1Ah - Pressure Contact.
The TL-2150/P is a 3.6V, 1/2AA size lithium battery with axial pin terminations.
Battery - Non-Rechargeable - Cylindrical - Lithium - 3.6 VDC - 1Ah - Axial Pin.
Battery - Non-Rechargeable - Cylindrical - Lithium - 3.6 VDC - 1Ah - Pressure Contact.