--- product_id: 64969849 title: "Artisan Power - Replacement Battery for Cisco 8821 and 9821 Phones - Replaces CP-BATT-8821-2340 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone" brand: "artisan power" price: "€ 102.11" currency: EUR in_stock: true category: "Artisan Power" url: https://www.desertcart.hr/products/64969849-artisan-power-replacement-battery-for-cisco-8821-and-9821-phones store_origin: HR region: Croatia --- # UL & UN certified lithium-ion safety 2340 mAh extended capacity 3-second easy pull tab install Artisan Power - Replacement Battery for Cisco 8821 and 9821 Phones - Replaces CP-BATT-8821-2340 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone **Brand:** artisan power **Price:** € 102.11 **Availability:** ✅ In Stock ## Summary > 🔋 Power up your Cisco 8821 with confidence—never miss a call or a moment! ## Quick Answers - **What is this?** Artisan Power - Replacement Battery for Cisco 8821 and 9821 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?** € 102.11 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/64969849-artisan-power-replacement-battery-for-cisco-8821-and-9821-phones) ## 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 - • **Power Through Your Day:** Boost talk & standby time with 2340 mAh high-capacity battery—outlast OEM originals. - • **Seamless Compatibility:** Works flawlessly with Cisco 8821 & 8821-EX phones and existing chargers—no extra gear needed. - • **Certified Safety, Zero Worries:** UL2054 & UN 38.3 certified lithium-ion cells ensure reliable, fire-safe performance. - • **Smart Savings, Premium Quality:** Save big by upgrading your battery without buying a new phone—artisan-crafted for longevity. - • **Effortless Swap, Instant Upgrade:** Replace your battery in just 3 seconds with the intuitive easy pull tab design. ## Overview Artisan Power’s 2340 mAh replacement battery for Cisco 8821 and 8821-EX phones delivers extended talk and standby times with UL and UN certified lithium-ion cells. Designed for quick 3-second installation via an easy pull tab, it ensures seamless compatibility with existing chargers. This premium aftermarket battery offers a cost-effective, safe, and reliable power solution to keep your VOIP phone running longer without the need for a full device replacement. ## Description Buy Artisan Power - Replacement Battery for Cisco 8821 and 9821 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 ## Features - BETTER PERFORMANCE - Replace dead or dying Cisco 8821 and 9821 series 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 and 9821 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 | #307 in Cordless Telephone Batteries | | Brand | Artisan Power | | Compatible Phone Models | Cisco 8821, 9821 | | Customer Reviews | 4.3 out of 5 stars 22 Reviews | | Item Weight | 0.04 kg | | Manufacturer | Artisan Power | | Model Number | RB-8821-L | | Number of Batteries | 1 Lithium Ion batteries required. (included) | | Recommended Uses For Product | Phone | | Reusability | Rechargeable | | UPC | 819595013162 | | Unit Count | 1 Count | | Voltage | 3.8 volts | | Warranty Description | 1 Year | ## Product Details - **Battery Capacity:** 2340 milliamp_hours - **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 9821 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) ![Artisan Power - Replacement Battery for Cisco 8821 and 9821 Phones - Replaces CP-BATT-8821-2340 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone - Image 2](https://m.media-amazon.com/images/I/517Fzsn5eqL.jpg) ![Artisan Power - Replacement Battery for Cisco 8821 and 9821 Phones - Replaces CP-BATT-8821-2340 mAh Replacement Phone Battery for Cisco 8821 Unified Color Wireless VOIP Phone - Image 3](https://m.media-amazon.com/images/I/71A8zDKVZ+L.jpg) ## 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.hr/products/64969849-artisan-power-replacement-battery-for-cisco-8821-and-9821-phones](https://www.desertcart.hr/products/64969849-artisan-power-replacement-battery-for-cisco-8821-and-9821-phones) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-10-20*