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Plantronics Spare Battery for Savi 740/440 Headset - 84598-01

Item #: 84598-01

This brand new replacement battery will add years of additional life to your Plantronics Savi Phonet. This battery is guaranteed to work with the models listed below, and is very easy to install.


  • 140mAh 3.7V
  • Provides up to 7 hours talk time on a full charge
  • Full charge takes 3 hours (charge approximately 20 minutes prior to first use)
  • Lithium ion battery
  • Requires Deluxe Charging Cradle or USB Deluxe Charger to use as hot-swappable battery for unlimited talk-time


  • Plantronics W440, W445, W740, W745, WH500 Battery