Part Number: CP-SN300
Tye:Li-Ion
Voltage: 3.6V
Capacity: 140mAh
Replace Code:BA300
Compatible with Sennheiser Set 900, RI 900, Set 840-TV, RR 840, Set 840 S, RR 840 S, Set 830-TV, RI 830, Set 830 S, RI 830 S, IS 410, RI 410, RS 4200, RR 4200, HDI 830.