Plantronics Replacement Battery for Savi Wireless Headsets (84598-01 / 82742-01)

Restore full talk time to your Plantronics Savi wireless headset with this high-quality refurbished replacement battery. This 3.7V 140mAh Li-ion rechargeable battery delivers up to 7 hours of talk time on a single charge — backed by Reef Telecom's industry-leading 10-year warranty.

Battery Specifications

• Voltage: 3.7V
• Capacity: 140mAh (0.5Wh)
• Type: Li-ion Rechargeable Battery Pack
• Installation: Easy snap-in design — simply pop out the old battery and slide in the new one

Replaces Part Numbers

• 84598-01
• 82742-01
• 204755-01
• PL-82742-01
• PL-84598-01
• CPP-547

Compatible Headset Models

• Plantronics Savi W740 / W740-M
• Plantronics Savi W745
• Plantronics Savi W440 / W440-M
• Plantronics Savi WH500 / WH500A
• Plantronics CS540XD

Why Buy from Reef Telecom?

• 10-Year Warranty — industry-leading coverage you won't find elsewhere
• Free Shipping on orders over $300
• Tested & Certified refurbished equipment for reliable performance
• Eco-Friendly — extend the life of your existing Plantronics headset investment

On average, Plantronics wireless headset batteries last 1–2 years before needing replacement. Keep a spare on hand to ensure uninterrupted call quality for your office or call center. Can be charged using the standard Savi cradle or Deluxe USB charging cable.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.