ER14250: 3.6 volt primary Lithium Battery. Dimensions: 25.2mm x 14.5mm. Replaces 14250, CR14250, ER14250, LS14250, TL-5151, TL-2150, T-04/51. Solder tabs available for $ 2.90 extra per cell (one tab is spot-welede to top of cell, and 1 tab is spot-welded to bottom of cell. This enables mounting to PCB or for connecting wires to battery.