Wireless Headset Battery for TELEX BP-700NM BP-800NM RKP-4 TR-1 TR-700 TR-800 Compatible with the following devices RKP-4, TR-1, TR-700, TR-800, TR-80N, TR-825, TR82N Compatible with Battery Part Numbers BP-700NM, BP-800NM Capacity: 7.2V 2000mAh /…