Synergy Digital Wireless Headset Battery for Plantronics W440 Li-Pol 3.7V 140 mAh 82742-01

Synergy Digital Wireless Headset Battery compatible with Plantronics W440 Wireless Headset and Plantronics 82742-01 Battery. This ultra hi-capacity Lithium Polymer battery provides 3.7V and 140 mAh.

Features:
* High-Quality Batteries: Bring your Plantronics Wireless Headset Systems back to life with this replacement battery from Synergy Digital.
* Rechargeable Design: Don’t miss a call, webinar or video conference again. This Synergy Digital battery automatically recharges when your headset is in the charging cradle.
* Superior Performance: Made of Lithium Polymer, this 3.7 volt, 140mAh battery will last all day so you can keep your headset by your side at all times. Simply place it back in the charging cradle when leaving the house or office, or retiring for the night.
* Long-Lasting Use: This Ultra Hi-Capacity EM-CPP-547 Battery is made with high-quality Japanese cells to ensure long-lasting use. Lithium Polymer batteries have over a 20% higher energy density than Lithium-Ion batteries.