---
product_id: 323311845
title: "Plantronics 64399-03 SupraPlus Wireless Lithium-Ion Battery - Black (Spare Battery for CS351/CS361/CS60)"
brand: "poly"
price: "€ 57.63"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/323311845-plantronics-64399-03-supraplus-wireless-lithium-ion-battery-black-spare
store_origin: FI
region: Finland
---

# Fast Charging Long-Lasting Life Lithium-Ion Power Plantronics 64399-03 SupraPlus Wireless Lithium-Ion Battery - Black (Spare Battery for CS351/CS361/CS60)

**Brand:** poly
**Price:** € 57.63
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Productivity!

## Quick Answers

- **What is this?** Plantronics 64399-03 SupraPlus Wireless Lithium-Ion Battery - Black (Spare Battery for CS351/CS361/CS60) by poly
- **How much does it cost?** € 57.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/323311845-plantronics-64399-03-supraplus-wireless-lithium-ion-battery-black-spare)

## Best For

- poly enthusiasts

## Why This Product

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

## Key Features

- • **Quick Recharge:** Get back to business faster with rapid charging.
- • **Lightweight Design:** Portable power that fits your busy lifestyle.
- • **Eco-Friendly Choice:** Sustainable lithium-ion technology for a greener future.
- • **Seamless Compatibility:** Designed for CS351/CS361/CS60 models.
- • **Uninterrupted Connectivity:** Stay connected with a reliable spare battery.

## Overview

The Poly Plantronics SupraPlus Wireless Lithium-Ion Battery is a high-performance spare battery designed specifically for the CS351, CS361, and CS60 models. With its lightweight design and rapid charging capabilities, this battery ensures you stay connected and productive throughout your workday.

## Description

Plantronics 64399-03 SupraPlus Wireless Lithium-Ion Battery - Black (Spare Battery for CS351/CS361/CS60)

## Features

- Item Category: Battery
- Item Trademark: Plantronics B2B
- manufacturer: Plantronics UK B2B

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Antenna Location | Cycling, Indoor, Water |
| Item Weight | 1 Grams |
| Battery Weight | 28 Grams |
| Item Dimensions | 0.04 x 0.04 x 0.04 inches |
| Battery Cell Type | Lithium Ion |
| Reusability | Single Use |
| Compatible Phone Models | Plantronics |
| Voltage | 3.75 Volts |

## Product Details

- **Number of batteries:** 1 Lithium Ion batteries required.
- **Brand:** Poly
- **Battery cell composition:** Lithium Ion
- **Compatible phone models:** C361, CS60, CS351
- **Recommended uses for product:** Cycling, Indoor, Water

## Images

![Plantronics 64399-03 SupraPlus Wireless Lithium-Ion Battery - Black (Spare Battery for CS351/CS361/CS60) - Image 1](https://m.media-amazon.com/images/I/71Xq03lD46L.jpg)
![Plantronics 64399-03 SupraPlus Wireless Lithium-Ion Battery - Black (Spare Battery for CS351/CS361/CS60) - Image 2](https://m.media-amazon.com/images/I/719auDPAc8L.jpg)

## Frequently Bought Together

- Plantronics Replacement Battery for CS351
- Plantronics PL-71782-01 Leatherette Ear Cushion for SupraPlus Headsets

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.fi/products/323311845-plantronics-64399-03-supraplus-wireless-lithium-ion-battery-black-spare](https://www.desertcart.fi/products/323311845-plantronics-64399-03-supraplus-wireless-lithium-ion-battery-black-spare)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-02*