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Battery, Extended Talk Time for W410/20, W710/20 & CS510/20



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Replacement Battery for Plantronics W410, W410-M, W420, W420-M, W710, W710-M, W720, W720-M, CS510, CS520, CS510-XD and CS520-XD Wireless Headset Systems

  • Rechargeable Lithium Ion Polymer (Li-Ion) battery
  • Provides up to 13 hours when headset is in narrowband mode (instead of 8.5 hours with previous version)
  • Up to 8.5 hours when headset is in wideband mode
  • Standby time up to 4 days
  • Backwards compatible with current over-the-head Savi and CS500 wireless headsets
  • Not compatible with Plantronics manufacturer discontinued wireless headsets: CS351N, CS361N, Savi WO300 & WO350, or any convertible style models
  • Approximately 3/4″ X 1-1/4″ X 1/8″ thick
  • To replace the battery in the headset, remove the rubber door from the bottom of the headset and use the enclosed tool to help remove the battery
  • Fully recharge the battery in less than 3 hours
  • 80% recharged in 1.5 hours
  • 3.7v, 270 mAh
  • Part number 200840-011 is marked on this battery
  • Headsets marked with date code L4 or later ship with this battery
  • Genuine Plantronics accessory
BTP Model: PL-202599-03
MFR Part: 202599-03

Additional information

Weight 0.0625 lbs
Dimensions 8.25 × 5.25 × 0.25 in


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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

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Quick ship, standard stock.

This item is normally in stock. Orders received Monday-Friday by 2:30 pm Pacific Time, ship the same day.

If this product is out of stock or on backorder from the manufacturer, a BTP Customer Service Representative will notify you by phone or email with an estimated ship date. If your order includes some in stock products, you may request a partial shipment of in stock item(s) with the out of stock item(s) to follow when available.

BTP does everything possible to eliminate delays and unnecessary expense associated with returns. At least two members of the BTP team will review your order for accuracy. If we have any questions or concerns about your order, such as two incompatible products, we will contact you right away.


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