Battery type: Li-Ion - no memory-effect Capacity: 2000 mAh Voltage: 3 V Energy: 6 Wh Number of cells: 1 Weight: 26 g Dimensions (L x W x H): 4.4 x 1.9 x 1.9 cm Compatible with the following device models: Fanuc CNC-Steuerung 16i Fanuc CNC-Steuerung 18i Fanuc Alphadrives To ensure compatibility, please check to see whether the battery you are currently using is listed below.