Poly Lithium Battery for CS540 Headset

Overview

The Poly 85Q98AA is a rechargeable lithium polymer battery designed specifically for the Poly CS540 wireless headset. It provides 3.7 volts and 140 mAh of capacity, enabling up to seven hours of talk time on a single charge. This replacement battery restores reliable performance and clear audio when the original battery no longer holds a charge, making it an essential accessory for maintaining your headset’s functionality.

Key features

• Purpose-built to fit perfectly in the Poly CS540 headset battery bay for easy installation
• Delivers up to seven hours of continuous talk time, supporting long workdays and extended calls
• Rechargeable lithium polymer chemistry reduces waste and lowers ongoing replacement costs
• Lightweight and compact design preserves the headset’s comfort during extended use
• Enables uninterrupted communication for professionals in busy office or call center environments

Key specs

• Voltage: 3.7 V
• Capacity: 140 mAh
• Chemistry: Lithium polymer
• Talk time per charge: Up to 7 hours
• Compatibility: Poly CS540 wireless headset

Installation and setup

Replacing the battery is straightforward and requires no special tools. The 85Q98AA fits precisely into the CS540’s battery compartment, allowing you to quickly remove the old battery and snap the new one into place. This simple swap helps you get back to work without delay, maintaining the headset’s lightweight feel and comfort.

Ideal uses and environments

This battery is well suited to professionals who rely on the Poly CS540 headset for extended periods, such as customer service representatives, remote workers, and office staff. It supports long shifts and back-to-back meetings by providing consistent power, helping users stay connected without interruptions. Its rechargeable design also benefits organizations managing multiple headsets by reducing waste and replacement expenses.