Spare Battery CS540

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Spare Battery CS540

SKU 85Q98AA • Availability In Stock

$55.44 inc. GST

Or 4 payments of $13.86 with PayPal

Poly/Plantronics Spare Battery for CS540 Series (85Q98AA)

Restore your headset to its full potential with genuine Poly power.

Never let a dead battery interrupt your workflow. The 85Q98AA is the official replacement lithium-ion polymer battery designed specifically for the Plantronics CS540 wireless headset system. Whether your current battery is showing signs of age or you simply need a spare for high-intensity shift work, this genuine replacement ensures your headset stays powered throughout the business day.

Seamless Compatibility

Engineered by Poly (formerly Plantronics), this battery is a direct replacement for the original power cell found in the CS540, CS540-XD, and C054 wireless units. It fits perfectly within the headset frame, maintaining the ultra-lightweight profile that makes the CS540 an industry favorite.

All-Day Talk Time

Once installed, this high-performance battery restores your headset to its original factory specifications, providing up to 7 hours of continuous talk time. With its advanced lithium-ion chemistry, it offers a stable charge and long-term durability, so you can focus on your calls without worrying about mid-conversation dropouts.

Easy DIY Installation

No special tools or technical expertise required. The battery is designed for quick and easy replacement, allowing you to swap out your old battery and get back to work in seconds. It includes the correct connector plug for a secure, "click-in" fit every time.

Key Features:

  • Genuine Poly Accessory: Guaranteed compatibility and safety for your CS540 headset.
  • Extended Talk Time: Provides up to 7 hours of wireless talk time on a single charge.
  • Lightweight Design: High energy density ensures the headset remains comfortable for all-day wear.
  • Fast Recovery: Recharges quickly when the headset is placed in the original CS540 charging base.
  • Lithium-Ion Technology: Reliable power with no "memory effect" common in older battery types.

Technical Specifications:

Part Number 85Q98AA (Formerly 86180-01)
Compatibility Poly/Plantronics CS540, CS540-XD, C054, W440, W740, W745
Battery Type Lithium-ion Polymer (Li-Po)
Voltage / Capacity 3.7V / 140mAh
Talk Time Up to 7 Hours
Standby Time Up to 30 Hours
Warranty 1-Year Manufacturer Warranty

What’s in the Box:

  • 1 x Spare Battery for Poly/Plantronics CS540 (85Q98AA)
  • Battery removal tool/instruction guide (where applicable)
Note: To ensure maximum battery life, it is recommended to charge the new battery for at least 3 hours before first use.
SKU 85Q98AA
Brand HP Poly