Wireless Pro TY230-01LD Premium Replacement Rechargeable Battery for Plantronics CS70 CS70N Avaya AWH75N Headset Replaces Plantronics Battery 66278-01 BENEFITS: Premium Long Lasting Lithium Polymer 110mAh 3.75v Rechargeable Battery, Highest Quality Available Perfect Fit for your Plantronics or Avaya Wireless Headset System WARRANTY: 1 Year Unconditional Replacement Warranty COMPATIBLE WITH: Plantronics CS70 CS70N Avaya AWH75N Replaces Plantronics 66278-01 . Safe to use with your Plantronics devices. BRAND: Wireless Pro develops high quality accessories for your wireless device. You can count on our Top Notch Quality at an Excellent Price with a Brand you can Trust. SAVE ON QUANTITY! Buy multi-packs offered on this listing and SAVE!