The AG13 button cell is compatible with LR44 and has many uses in Laser Pointers, Aim Points, Flashlights Etc.
• AG13 Alkaline Button Battery (LR44)
• Diameter : 0.454 inches
• Voltage: 1.55V
• Capacity: 140Mah
• Minimum Operating Temperature: -40F
• Maximum Operating Temperature: 140F