Battery for Sennheiser TX XLR XSW-D 14500CY-850 1000mAh 3.7V
Fit to the device models:For Sennheiser 508494, 508497, RX XLR, TX XLR, XSW-D. These parts are in no way associated with the initial manufacturers parts. Compatible with the battery part numbers:14500CY-850.