---
product_id: 72837364
title: "Replacement Battery for Plantronics Savi W02, W740, W745, W440 and CS540XD Wireless Headsets"
brand: "merritt"
price: "107.13 DT"
currency: TND
in_stock: true
category: "Merritt"
url: https://www.desertcart.tn/products/72837364-replacement-battery-for-plantronics-savi-w02-w740-w745-w440-cs540xd
store_origin: TN
region: Tunisia
---

# Up to 7 Hours Talk Time 3.7V Lithium-Ion Power 1 Year Warranty Assurance Replacement Battery for Plantronics Savi W02, W740, W745, W440 and CS540XD Wireless Headsets

**Brand:** merritt
**Price:** 107.13 DT
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your productivity—never miss a call, never lose your edge!

## Quick Answers

- **What is this?** Replacement Battery for Plantronics Savi W02, W740, W745, W440 and CS540XD Wireless Headsets by merritt
- **How much does it cost?** 107.13 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/72837364-replacement-battery-for-plantronics-savi-w02-w740-w745-w440-cs540xd)

## Best For

- merritt enthusiasts

## Why This Product

- Trusted merritt brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-Lasting Power:** Up to 7 hours of uninterrupted talk time per charge—stay connected all day
- • **Trusted Durability:** High-quality 140mAh lithium-ion battery built to last 1-2 years (some users report 5+ years!)
- • **Lightweight & Compact:** Only 2.5 grams—power without the bulk
- • **Seamless Compatibility:** 100% fit for Plantronics W02, W740, W745, W440 & CS540XD models
- • **Peace of Mind Guarantee:** Backed by a 1-year warranty to keep your workflow uninterrupted

## Overview

This premium replacement battery is engineered specifically for Plantronics Savi W02, W740, W745, W440, and CS540XD wireless headsets. Featuring a robust 3.7V, 140mAh lithium-ion cell, it delivers up to 7 hours of talk time on a single charge. Lightweight at just 2.5 grams and backed by a 1-year warranty, it ensures reliable, long-lasting performance to keep professionals connected and productive.

## Description

100% compatible replacement Plantronics headset battery for your Savi W740, W745, W440, CS540XD and W02 wireless headsets. On average your Plantronics wireless headset battery will last 1-2 years before a replacement is needed. Order your Plantronics replacement headset battery today!

## Features

- 100% compatible replacement Plantronics wireless headset battery for W740, W745, W440 and CS540XD wireless headsets
- On average your Plantronics headset battery will last 1-2 years before a replacement is needed. Some customers have their battery 5+ years!
- High quality 3.7v 140mAh replacement Plantronics battery, comparable to 84598-01
- Up to 7 hours of battery talk time on a single charge
- 1 year warranty for peace of mind

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071RNFPKP |
| Amperage | 3.7 Amps |
| Antenna Location | plantronics headset |
| Battery Capacity | 140 Milliamp Hours |
| Battery Cell Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 2.5 Grams |
| Best Sellers Rank | #76 in Cordless Telephone Batteries |
| Brand | Merritt |
| Compatible Phone Models | Plantronics W740, Plantronics W440, Plantronics W445, Plantronics W745, Plantronics WO2, Plantronics CS540-XD |
| Customer Reviews | 4.5 out of 5 stars 119 Reviews |
| Manufacturer | Merritt |
| Model Name | Plantronics |
| Model Number | 1737N |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Recommended Uses For Product | plantronics headset |
| Reusability | Rechargeable |
| UPC | 858938005433 |
| Unit Count | 1 Count |
| Voltage | 3.7 Volts |

## Product Details

- **Battery Capacity:** 140 Milliamp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** Merritt
- **Number of Batteries:** 1 Lithium Ion batteries required.
- **Recommended Uses For Product:** plantronics headset

## Images

![Replacement Battery for Plantronics Savi W02, W740, W745, W440 and CS540XD Wireless Headsets - Image 1](https://m.media-amazon.com/images/I/71sddwAKLJL.jpg)
![Replacement Battery for Plantronics Savi W02, W740, W745, W440 and CS540XD Wireless Headsets - Image 2](https://m.media-amazon.com/images/I/61BzID122mL.jpg)
![Replacement Battery for Plantronics Savi W02, W740, W745, W440 and CS540XD Wireless Headsets - Image 3](https://m.media-amazon.com/images/I/41M2j+IOGdL.jpg)

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**Shop now:** [https://www.desertcart.tn/products/72837364-replacement-battery-for-plantronics-savi-w02-w740-w745-w440-cs540xd](https://www.desertcart.tn/products/72837364-replacement-battery-for-plantronics-savi-w02-w740-w745-w440-cs540xd)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-05*