Polycom Soundstation 2W 24 Hour Battery. Replacement rechargeable Li-Ion Battery, 24 Hour talk time, 160 hour standby time, Compatible with both SoundStation2W and Expandable. 2200-07804-001
*Important Note on Returns:
Due to the manufactures policy.
All Sales are FINAL. It's not returnable, not refundable under any
circumstance. If it's defective, Polycom will replace it under warranty