Replacement Battery for CS540 Convertible Headset
Approximately ¾” X ½”
  3.70v, 140mAh
 Li-ion Polymer
 Up to 9 hours talk time
 Remove battery door on headset to replace
  Not interchangeable with other batteries including the CS55 battery (this one is smaller and is only for CS540) - order PL-64399-01 for CS55 battery
  Not compatible with Plantronics Savi W740 or W745
Retail: $47.95
Price: $39.95
You Save: $8.00 (16.7%)