Ultralast Battery
This replacement 3.7 volt 140 mAh Lithium Polymer battery fits the Plantronics CS540 Headset and meets or exceeds original manufacturer specifications.
- Offers a reasonable fit to your headset
- Rechargeable battery - Lasts longer on a single charge than its disposable counterparts
- Resists overcharging and electrolyte leakage
- 3.7 V DC battery - Ensures a steady and uninterrupted supply to your headset
