The Spectralink Speakerphone Bundle is designed to fit any Spectralink 8400 series handset. It includes two standard life batteries, the 8400 series speakerphone dock, and a North American power supply.
The Spectralink 12-Bay multi-charger is designed to fit any Spectralink 8400 series handset battery. It includes a 12-bay charger which charges up to 12 batteries at a time with a universal power supply. (2200-37287-001)