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.

Features:

• 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 the 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
• Headsets marked with date code L4 or later ship with this battery
• Genuine Plantronics accessory