VINTRONS Battery Replacement TPMC-3X-BTP Battery for Crestron TPMC-3X Touchpanel, MTX-3, TPMC-3X-L Capacity: 1000mAh / 3.7Wh Type: Li-Polymer Volts: 3.7V Size : 67.70 x 31.90 x 4.40mm Certificated with ISO9001, RoHS & CE;