Home Page Link


Battery for CS50, CS55 & AWH55 – DISCONTINUED

Discontinued – Click for more info

Replacement Battery for Plantronics CS55, CS50 & Avaya AWH55+ Wireless Headset Systems

  • Manufacture Discontinued – No Replacement
  • Lithium Ion Polymer (Li-Ion) battery
  • Actual size: 3/4″ X 1-1/4″ X 1/8″ inch thick
  • To replace the battery in the CS55/CS50, firmly squeeze both sides of the battery door cover and lift upward
  • Fully recharge the battery in less than 3 hours
  • 80% recharged in 1.5 hours
  • Genuine Plantronics accessory
  • Provides 8 hours talk time in the CS50 Wireless Headset (900 MHz technology)
  • Provides 10 hours talk time in the CS55 Wireless Headset (1.9 GHz technology)
  • Can be used in place of 64399-03
  • 3.75v, 190 MAh
  • Also has part number 65358-01 marked on this battery
  • Note: not interchangeable with battery for Plantronics Savi series or CS540 wireless headset
BTP Model: PL-64399-01
MFR Part: 64399-01

Additional information

Weight 0.0625 lbs
Dimensions 6.00 × 4.25 × 0.75 in


There are no reviews yet.

Be the first to review “Battery for CS50, CS55 & AWH55 – DISCONTINUED”

Your email address will not be published. Required fields are marked *

Our Unmatched, Value-added Service Saves You Time, Money and Hassles:

  • Experienced consultants help you choose exactly the products you need, preventing unnecessary purchases
  • Free user setup help and training
  • 100% satisfaction guaranteed
  • Our team is committed to answering every call live during business hours
  • Same-day response to emails
  • Same-day shipping
  • Full warranty facilitated by BTP


For customer service, sales inquiries, and technical support, contact us Monday“Friday, 8-5 Pacific Time. (After-hours messages and emails are promptly returned the following business day.)

Call: 800-457-4287 or 425-649-9262

Email: info@btpi.com

Manufacturer Discontinued.


“Thank you so much for the prompt, detail oriented and efficient effort with my order. You can now call me a repeat customer because of this, as the thisRead more

Christine N. (Seattle, WA)
Business Services