Exell Li-Ion FRS Two-Way Radio Battery Fits Xact Communication Wristlinx x2x, Xact Communication Wristlinx x2x-2, Xact Communication Wristlinx x33xif, Xact Communication Wristlinx x33xif-2 Voltage: 3.7, Amperage: 550mAh, Chemistry: Li-Ion Length: 1.885, Width: 0.176, Height: 1.182 Exell Battery FRS / 2-Way Radio Batteries &gt; Other Radio Batteries