BA 40 506656 2200mAh Li-ion Battery (3.7V, 8.14Wh) for Sennheiser SpeechLine Digital Wireless — SL Tablestand DW, SL Boundary DW, SL 133-S DW, SL 153-S DW

High-performance replacement battery BA 40 506656 designed for Sennheiser SpeechLine Digital Wireless devices. Capacity and chemistry: 2200mAh · 3.7V · 8.14Wh · Li-ion. This professional replacement battery is made for wireless headset use and is fully compatible with your original unit — same specifications and fit as the factory pack. Each battery undergoes strict quality control and factory testing to ensure durability and a like-new fit. Certifications: CE / RoHS / ISO 9001. Purchase protection included: 14-day Money Back Guarantee and a 12-month Warranty.