---
product_id: 511731050
title: "CP-BATT-8821 Replacement Battery for Cisco 8821, CP-8821-EX-K9-BUN, CP-8821-K9-BUN, Wireless IP Phone 8821, 3.8V 2400mAh"
brand: "takoci"
price: "€ 33.83"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/511731050-cp-batt-8821-replacement-battery-for-cisco-8821-cp-8821
store_origin: FI
region: Finland
---

# 2400mAh Capacity 3.8V Voltage Safety Certified CP-BATT-8821 Replacement Battery for Cisco 8821, CP-8821-EX-K9-BUN, CP-8821-K9-BUN, Wireless IP Phone 8821, 3.8V 2400mAh

**Brand:** takoci
**Price:** € 33.83
**Availability:** ✅ In Stock

## Summary

> 🔌 Stay Connected, Stay Charged!

## Quick Answers

- **What is this?** CP-BATT-8821 Replacement Battery for Cisco 8821, CP-8821-EX-K9-BUN, CP-8821-K9-BUN, Wireless IP Phone 8821, 3.8V 2400mAh by takoci
- **How much does it cost?** € 33.83 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/511731050-cp-batt-8821-replacement-battery-for-cisco-8821-cp-8821)

## Best For

- takoci enthusiasts

## Why This Product

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

## Key Features

- • **📞 24/7 Support:** Enjoy peace of mind with our dedicated customer service.
- • **🛡️ Safety First:** Equipped with multiple protection features for worry-free usage.
- • **⚡ Long-lasting Performance:** 2400mAh capacity ensures extended talk time.
- • **🔄 Hassle-Free Compatibility:** Compatible with various Cisco models for versatile use.
- • **🔋 Power Up Your Communication:** High-quality replacement battery for seamless connectivity.

## Overview

The TAKOCI CP-BATT-8821 Replacement Battery is a high-quality, reliable power source designed specifically for Cisco 8821 Wireless IP Phones. With a robust 2400mAh capacity and advanced safety certifications, this battery ensures your communication remains uninterrupted. Its compatibility with multiple Cisco models and dedicated customer support make it a smart choice for professionals on the go.

## Description

Specification Voltage:3.8V Type:Li-Polymer Capacity: 2400mAh Size: 101.96 x 41.90 x 4.20mm Compatible Model:  Cisco 8800 8821 CP-8821-EX-K9-BUN CP-8821-K9-BUN Wireless IP Phone 8821  Compatible Battery Part Number:  CP-BATT-8821 GP-S10-374192-010H 74-102376-01  ROSH, CE and UL triple certification. Please Ensure that the PART NUMBER (P/N) of your Battery Matches with one of the Below Supported Part Numbers of this Compatible Battery Before purchase Your satisfaction is very important to us, should you have any further questions, please feel free to contact us at any time,and we will reply within 24 hours.

## Features

- High quality replacement battery for Cisco [Compatible models] - Brand new battery replacement for Cisco CP-8821-EX-K9-BUN, CP-8821-K9-BUN, Wireless IP Phone 8821, CP-8821, Please find more compatible models in the product description. 8821, 8800, Please find more compatible models in the product description.
- [Specification] Type: Li-Polymer, Voltage: 3.7V, Capacity: 2400mAh, Dimension: 101.50 x 41.80 x 4.25mm,Weight:40g
- [Safety Certification] - Over-charge, over-discharge, over-heat, over-current & short-circuit protection.
- [Trustworthy after-sales service] - We provide 24-hour customer email support and 12-month free replacements, so buy with confidence!

## Product Details

- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Brand:** TAKOCI
- **Battery Cell Composition:** Lithium Polymer
- **Battery Capacity:** 2400 Milliamp Hours
- **Recommended Uses For Product:** Phone

## Images

![CP-BATT-8821 Replacement Battery for Cisco 8821, CP-8821-EX-K9-BUN, CP-8821-K9-BUN, Wireless IP Phone 8821, 3.8V 2400mAh - Image 1](https://m.media-amazon.com/images/I/51hJjiRpGqL.jpg)

## Frequently Bought Together

- TAKOCI CP-BATT-8821 Replacement Battery for Cisco 8821, CP-8821-EX-K9-BUN, CP-8821-K9-BUN, Wireless IP Phone 8821, 3.8V 2400mAh
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---

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**Shop now:** [https://www.desertcart.fi/products/511731050-cp-batt-8821-replacement-battery-for-cisco-8821-cp-8821](https://www.desertcart.fi/products/511731050-cp-batt-8821-replacement-battery-for-cisco-8821-cp-8821)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-10*