Battery for Telstra MR2100 NightHawk M2 W-10a Hotspot CS-TRA110SL 3.7v 5040mAh / Compatible with the following devices MR2100, NightHawk M2 Compatible with Battery Part Numbers W-10a Capacity: 3.7V 5040mAh / 18.65Wh Dimensions: 78.70 x 62.40 x 9.32mm…