This replacement 3.7 volt 140 mAh Lithium Polymer battery fits the Plantronics CS540 Headset and meets or exceeds original manufacturer specifications.
- Resists overcharging and electrolyte leakage
- 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
- Never run out of power and keep your headset operational
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