
This item is no longer available.
This battery is specifically designed for the CS540 wireless headset model. Compatibility with other models is not guaranteed.
The battery is designed for easy installation. Simply remove the old battery from your CS540 headset and replace it with the new one.
Yes, a new battery can help maintain the optimal performance of your CS540 wireless headset, ensuring reliable and consistent communication.
The battery life depends on usage. However, it's designed to provide long-lasting power for your CS540 wireless headset.
Yes, the Plantronics Spare Battery is designed for easy installation, allowing you to quickly replace your old battery and continue your work without disruption.
Review Summary
2018-05-16T20:00:00
Perfect, just what I needed. fixed the problem we had. Thank you
charlie m.

Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
Browse our FAQ
Lithium Polymer (Li-Polymer)
140 mAh
3.7 V DC
Up to 9hrs
Yes
3 Hour
For Use with Plantronics CS540 Headset System
500.0 mil
0.8" / 2.03cm
017229136342
By charlie m.
Perfect, just what I needed. fixed the problem we had. Thank you
While ensuring uninterrupted communication, the Plantronics Spare Battery is specifically designed for the CS540 wireless headset. This high-quality replacement battery ensures your device is always ready for use, providing reliable, long-lasting power for your wireless headset. Ideal for professionals who depend on their CS540 headset for clear, consistent communication, this spare battery is a must-have accessory. With its easy installation process, you can quickly replace your old battery and continue your work without any disruption. Keep your CS540 wireless headset operating at peak performance with the Plantronics Spare Battery.