The Plantronics Replacement Battery for the Savi 740/440 Headset is a great choice for uninterrupted desk phone communication. Users can effortlessly charge the spare battery using a USB deluxe charger or a deluxe charging cradle. This headset accessory is specially engineered to last for a longer time between charges when used with compatible devices.
Headset battery fits Plantronics Savi 440 and 740 models perfectly
Compact form factor and lightweight design for added convenience
Can be used as a spare or to replace an old or faulty battery