Plantronics CS540 (CO54 C054) Replacement Battery

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Replacement battery for Plantronics CS540 (CO54 C054). This is a genuine Plantronics OEM (not after market) Replacement Battery or Spare Battery. Key Features: Li-Ion Polymer Batte ry Provides up to 7 hours talk time on a full charge Full charge takes 3 hours (charge approximately 20 minutes prior to the first use) Approximately 0.75" x 1/2" thick Old Poly part # 86180-01 New HP part # 85Q98AA Note: This battery is NOT interchangeable with other wireless headset batteries (i.e. Plantronics CS55 or CS50). NOT compatible with Plantronics W740 Battery will be labeled "P/N 84479-01" but correct Plantronics part number is 86180-01 Plantronics CS540 Battery Replacement Instructions: Slide the battery cover off and remove it from the headset. Pull the battery out of the attachment clip. Grasp the battery connector and disconnect from the headset. To install a new battery: Plug the new battery to the battery connector. Once connected, slide the battery into place. Slide the cover back on and push it into place. Show more