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Replacement batteries for Sennheiser BA 300 & RS 4200

Compatible 150 mAh batteries for Sennheiser headsets in the RS 4200, Set 830 TV, RR 4200 and BA 300 series – available as single or multi-packs.

SennheiserSiemens
Battery for Sennheiser EKI 830; HDI 830; RR 840; RS 4200 II, 2 BA300 BA 300 (150mAh, 3.7V) from CELLONIC

Battery for Sennheiser EKI 830; HDI 830; RR 840; RS 4200 II, 2 BA300 BA 300 (150mAh, 3.7V) from CELLONIC

£ 15.95
SKU 916106
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SennheiserSiemens
2x Battery for Sennheiser EKI 830; HDI 830; RR 840, 4200 BA 300, BA300 (150mAh, 3.7V) from CELLONIC

2x Battery for Sennheiser EKI 830; HDI 830; RR 840, 4200 BA 300, BA300 (150mAh, 3.7V) from CELLONIC

£ 29.95
SKU 920716
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SennheiserSiemens
3x Battery for Sennheiser EKI 830; HDI 830; RR 840, 4200, 840 S BA300 BA 300 (150mAh, 3.7V) from CELLONIC

3x Battery for Sennheiser EKI 830; HDI 830; RR 840, 4200, 840 S BA300 BA 300 (150mAh, 3.7V) from CELLONIC

£ 41.95
SKU 923508
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