2x Pack - BA300 Replacement Battery for Sennheiser RS 4200, IS 410, Set 830-TV, RR 4200, RI 410, Set 830 S, RI 830 - UpStart Battery brand with Lifetime Warranty
Don't settle for generics with no real warranty or pay crazy prices forexpensive original parts. Buy a brand you can trust. Choose UpStartBattery and get a factory warranty and the most trusted name in Americafor replacement parts.Product SpecificationsTwo BA300 Batteries for SennheiserChemistry: Lithium PolymerOutput Volts: 3.7 VBrand: UpStart BatteryWarranty: Lifetime WarrantyThis Product works in or replaces the following OEM model numbers:* BA300* Set 830-TV* RI 830* Set 830 S* RI 830 S* IS 410* RI 410* RS 4200* RR 4200