Replacement Battery for Savi W740 / W440 model headsets.
When you add a Savi Replacement Battery to your Savi W740 or W440 (only compatible models) you can change batteries to extend your important telephone calls.
The Savi Replacement battery can be purchased for your Savi W740 and W440 headset, or is available as an included component of the Savi W745 UC wireless headset.
Savi Deluxe Charging Kit Features:
** Extend talk time with spare battery. Only available as an accessory for the Savi W740 and Savi W440.