Plantronics Replacement Battery with On/Off Switch for Savi W440 & W740 Series and CS540-XD Wireless Headsets
- On/off switch on top lets you conserve battery life while traveling
- Compatible with Savi W440, W445, W740, W745 and CS540-XD wireless headsets
- Easy to install – just slide the old battery off the headset and snap the new one on
- Provides up to 7 hours talk time on a full charge
- Full charge takes 3 hours (charge approximately 20 minutes prior to the first use)
- Approximately 1 1/4" x 7/8" x 1/4" thick
- Black, genuine Plantronics accessory
- This battery began shipping with W440/445 in August 2015 and is replacing 84598–01 which did not have an on/off switch
- Genuine Plantronics accessory
Note: In order to charge your spare battery, you will need either a USB deluxe charger or a deluxe charging cradle.