Ultralast Battery

This replacement 3.7 volt 140 mAh Lithium Polymer battery fits the Plantronics CS540 Headset and meets or exceeds original manufacturer specifications.

• A light-weight battery with improved safety
• 3.7 V DC battery – Ensures a steady and uninterrupted supply to your headset
• 140 mAh battery capacity for dependable, faster charging to ensure maximum convenience and usability
• Offers a reasonable fit to your headset