--- product_id: 64969849 title: "Artisan Power - Replacement Battery for Cisco 8821 and 8821-EX Phones - Replaces CP-BATT-8821-2340 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone" brand: "artisan power" price: "€ 97.17" currency: EUR in_stock: true reviews_count: 2 category: "Artisan Power" url: https://www.desertcart.be/products/64969849-artisan-power-replacement-battery-for-cisco-8821-and-8821-ex store_origin: BE region: Belgium --- # UL & UN certified safety 2340 mAh high capacity 3-second easy install Artisan Power - Replacement Battery for Cisco 8821 and 8821-EX Phones - Replaces CP-BATT-8821-2340 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone **Brand:** artisan power **Price:** € 97.17 **Availability:** ✅ In Stock ## Summary > 🔋 Power up your Cisco with confidence and speed! ## Quick Answers - **What is this?** Artisan Power - Replacement Battery for Cisco 8821 and 8821-EX Phones - Replaces CP-BATT-8821-2340 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone by artisan power - **How much does it cost?** € 97.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/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 - • **Effortless Swap & Go:** Innovative pull tab design makes battery replacement a 3-second breeze—no tools needed. - • **Power Through Your Day:** Extended 2340 mAh capacity delivers longer talk and standby times than OEM batteries. - • **Seamless Compatibility:** Perfectly fits Cisco 8821 and 8821-EX phones, working flawlessly with existing chargers. - • **Certified Safety You Can Trust:** UL2054 and UN 38.3 certifications ensure reliable, fire-safe performance. - • **Smart Savings, Premium Quality:** Replace your old battery without buying new gear—artisan craftsmanship meets affordability. ## Overview The Artisan Power Replacement Battery for Cisco 8821 and 8821-EX phones offers a robust 2340 mAh lithium-ion cell made in Japan, certified for UL2054 and UN 38.3 safety standards. Designed for quick, tool-free installation with an easy pull tab, it extends your phone’s talk and standby time beyond OEM standards, ensuring reliable performance and cost-effective longevity. ## Description Buy Artisan Power - Replacement Battery for Cisco 8821 and 8821-EX Phones - Replaces CP-BATT-8821-2340 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone on desertcart.com ✓ FREE SHIPPING on qualified orders Review: Cisco phone replacement battery. - Item was as advertised and at a reasonable price. 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 2340 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 | | Antenna Location | Phone | | Battery Capacity | 2340 Milliamp Hours | | Battery Cell Composition | Lithium Ion | | Battery Cell Type | Lithium Ion | | Best Sellers Rank | #476 in Cordless Telephone Batteries | | Brand | Artisan Power | | Compatible Phone Models | Cisco 8821 | | Customer Reviews | 4.2 out of 5 stars 21 Reviews | | Item Weight | 0.04 Kilograms | | Manufacturer | Artisan Power | | Model Number | 8821, 8821-EX | | Number of Batteries | 1 Lithium Ion batteries required. (included) | | Recommended Uses For Product | Phone | | Reusability | Rechargeable | | UPC | 819595013162 | | Unit Count | 1.0 Count | | Voltage | 3.8 Volts | | Warranty Description | 1 Year | ## 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-8821-2340 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone - Image 1](https://m.media-amazon.com/images/I/51FZPPQMLaL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐ Cisco phone replacement battery. *by A***R on April 27, 2026* Item was as advertised and at a reasonable price. ### ⭐⭐⭐⭐ 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) --- ## 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.be/products/64969849-artisan-power-replacement-battery-for-cisco-8821-and-8821-ex](https://www.desertcart.be/products/64969849-artisan-power-replacement-battery-for-cisco-8821-and-8821-ex) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-08-15*