Equivalent to AAAA, MN2500, E96, LR61, K4A, 25A-U2, LR8D425
Application: Bluetooth headsels, glucose and blood pressure monitors. LED lights, Laser pointers, streamight stylus, Surface stylus, tablet pens, Door alarms, Remote controls, Key fobs, Stylus Pen, and other derices that requires AAAA batenes