Poly Lithium Battery for CS540 Headset

If your wireless headset feels like it’s losing its edge, this replacement battery can bring it back to life. Designed specifically for the Poly CS540 Wireless Headset, this rechargeable lithium polymer battery is reliable and easy to install, ensuring your headset is always ready for action. With a 3.7V output and a capacity of 140mAh, it provides up to seven hours of talk time, making it perfect for long workdays or busy call centers. Rechargeable technology helps reduce waste compared to disposable options, while its lightweight and compact design ensure the headset stays comfortable to wear. Whether you're taking calls all day or just need a dependable replacement, this battery keeps you connected without interruptions.

Highlights

• Designed for Poly CS540 Wireless Headset
• Provides up to 7 hours of talk time
• 3.7V 140mAh lithium polymer battery
• Rechargeable for long-term use
• Lightweight and easy to install