---
product_id: 64969849
title: "Artisan Power - Replacement Battery for Cisco 8821 and 8821-EX Phones - Replaces CP-BATT-8821-2100 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone"
brand: "artisan power"
price: "$147"
currency: NZD
in_stock: true
reviews_count: 1
category: "Artisan Power"
url: https://www.desertcart.nz/products/64969849-artisan-power-replacement-battery-for-cisco-8821-and-8821-ex
store_origin: NZ
region: New Zealand
---

# UL & UN certified safety 2100 mAh high capacity 3-second easy install Artisan Power - Replacement Battery for Cisco 8821 and 8821-EX Phones - Replaces CP-BATT-8821-2100 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone

**Brand:** artisan power
**Price:** $147
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your Cisco—stay connected, stay ahead!

## Quick Answers

- **What is this?** Artisan Power - Replacement Battery for Cisco 8821 and 8821-EX Phones - Replaces CP-BATT-8821-2100 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone by artisan power
- **How much does it cost?** $147 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/64969849-artisan-power-replacement-battery-for-cisco-8821-and-8821-ex)

## Best For

- artisan power enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Compatibility:** Works flawlessly with Cisco 8821 and 8821-EX phones and existing chargers—plug and play power.
- • **Certified Safety You Can Trust:** UL2054 & UN 38.3 certified lithium-ion cells from Japan ensure reliable, hazard-free performance.
- • **Smart Savings, Premium Quality:** Save big by replacing your battery instead of your phone, with Artisan Power’s trusted aftermarket solution.
- • **Effortless Swap, Instant Upgrade:** Easy pull-tab design lets you replace your battery in just 3 seconds—no tools, no hassle.
- • **Extended Power, Extended Productivity:** Boost your Cisco 8821 talk & standby time with 2100 mAh capacity—never miss a call again.

## Overview

The Artisan Power Replacement Battery for Cisco 8821 and 8821-EX phones delivers a robust 2100 mAh lithium-ion capacity, certified for safety and reliability. Designed for quick, tool-free installation with an easy pull tab, it extends your device’s talk and standby time while maintaining full compatibility with existing chargers. A cost-effective, premium aftermarket solution to keep your Cisco VOIP phone performing like new.

## Description

Buy Artisan Power - Replacement Battery for Cisco 8821 and 8821-EX Phones - Replaces CP-BATT-8821-2100 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Upgrade Phone Battery - Great Phone Battery Replacement. Likes: 1. Fits into Phone Battery location that the original Phone battery goes in. 2. Well packaged. 3. This battery is new so your phone's possible original battery "Battery Not Staying Charged As Long As It Used To Problem" is now a thing of the past. Dislikes: 1. Generally with ALL NEW BATTERIES, There is the tedious process of having to recharge and discharge and repeat to Get the new battery used to the new factor of resistance being the phone that it has been introduced to. Make sure to follow the simple instructions. Helpful

## Features

- BETTER PERFORMANCE - Replace dead or dying Cisco 8821 and 8821-EX phone batteries with our extended capacity 2100 mAh battery pack for increased phone talk time, standby time and reliability per charge compared to OEM Cisco CP-BATT-8821 and 74-102376-01.
- HIGH CAPACITY LITHIUM ION - This battery pack is UL listed UL2054 and UN 38.3 Certified. DC 3.8 Volt battery, 7.98 and 2100 mAh. Our Lithium Ion Battery cells are made in Japan. This battery replacement works with your existing compatible Cisco 8821 chargers
- EASY PULL TAB INSTALL - Your new battery replacement includes an easy to use pull tab to make battery replacement easy and fast. Simply insert the bottom end into your phone's empty battery slot, push the top into place and then pull the tab to connect the battery. Install takes just 3 seconds.
- SAFETY CERTIFICATION - Make sure your aftermarket phone battery is properly certified for phone battery safety specifications overheating and fire hazard. Our Battery is UL Listed, certified for UL 2054 and for UN 38.3.
- PREMIUM BATTERY SOLUTION - Artisan Power offers a variety of high quality aftermarket battery replacements for all the top electronics from phones to clippers to printers and more. Save big by replacing old batteries without having to purchase new equipment.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07612T1CT |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Best Sellers Rank | #168 in Cordless Telephone Batteries |
| Customer Reviews | 4.4 4.4 out of 5 stars (20) |
| Date First Available | September 28, 2017 |
| Item Weight | 1.41 ounces |
| Item model number | 8821, 8821-EX |
| Manufacturer | Artisan Power |
| Package Dimensions | 4.72 x 2.48 x 0.31 inches |

## Product Details

- **Battery Capacity:** 2000 Milliampere Hour (mAh)
- **Battery Cell Composition:** Lithium Ion
- **Brand:** Artisan Power
- **Number of Batteries:** 1 Lithium Ion batteries required. (included)
- **Recommended Uses For Product:** Phone

## Images

![Artisan Power - Replacement Battery for Cisco 8821 and 8821-EX Phones - Replaces CP-BATT-8821-2100 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone - Image 1](https://m.media-amazon.com/images/I/51o40x7fXjL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Upgrade Phone Battery
*by T***D on December 14, 2022*

Great Phone Battery Replacement. Likes: 1. Fits into Phone Battery location that the original Phone battery goes in. 2. Well packaged. 3. This battery is new so your phone's possible original battery "Battery Not Staying Charged As Long As It Used To Problem" is now a thing of the past. Dislikes: 1. Generally with ALL NEW BATTERIES, There is the tedious process of having to recharge and discharge and repeat to Get the new battery used to the new factor of resistance being the phone that it has been introduced to. Make sure to follow the simple instructions. Helpful

## Frequently Bought Together

- Artisan Power - Replacement Battery for Cisco 8821 and 8821-EX Phones - Replaces CP-BATT-8821-2100 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone
- Cisco Wireless IP Phone 8821 Desktop Charger with OEM Power Supply (Renewed)
- Cisco Unified Wireless IP Phone 8821 - Cordless Extension Handset - Bluetooth Interface - 2.4" Black CP-8821-K9 (Renewed)

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**Shop now:** [https://www.desertcart.nz/products/64969849-artisan-power-replacement-battery-for-cisco-8821-and-8821-ex](https://www.desertcart.nz/products/64969849-artisan-power-replacement-battery-for-cisco-8821-and-8821-ex)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-04*