Premium Battery for Sennheiser RR4200 Quality Cell NEW
Fit to the device models:Sennheiser IS410, IS410 TV, RI410, RS4200, RR4200, IS410TV, RS4200TV, RS4200TV-2, SET 830, SET 830-TVSET 840, SET 900, RI900, RI830, RI830S. Compatible with the battery part numbers:HC-BA300, NCI-PLS100H, 500898.