--- product_id: 633139407 title: "Battery for Samsung Galaxy S21 Ultra, [6000mAh] Upgraded 2024 New 0 Cycle EB-BG998ABY Battery Replacement for Samsung Galaxy S21 Ultra 5G SM-G998B/DS SM-G998U with Replacement Tool Kits" brand: "itmbet" price: "1260632₫" currency: VND in_stock: true reviews_count: 8 category: "Itmbet" url: https://www.desertcart.vn/products/633139407-battery-for-samsung-galaxy-s21-ultra-6000mah-upgraded-2024-new store_origin: VN region: Vietnam --- # 1000+ Charge Cycles 6000mAh Ultra Capacity Includes Repair Tool Kit Battery for Samsung Galaxy S21 Ultra, [6000mAh] Upgraded 2024 New 0 Cycle EB-BG998ABY Battery Replacement for Samsung Galaxy S21 Ultra 5G SM-G998B/DS SM-G998U with Replacement Tool Kits **Brand:** itmbet **Price:** 1260632₫ **Availability:** ✅ In Stock ## Summary > 🔋 Power up your Galaxy S21 Ultra with unstoppable energy! ## Quick Answers - **What is this?** Battery for Samsung Galaxy S21 Ultra, [6000mAh] Upgraded 2024 New 0 Cycle EB-BG998ABY Battery Replacement for Samsung Galaxy S21 Ultra 5G SM-G998B/DS SM-G998U with Replacement Tool Kits by itmbet - **How much does it cost?** 1260632₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/633139407-battery-for-samsung-galaxy-s21-ultra-6000mah-upgraded-2024-new) ## Best For - itmbet enthusiasts ## Why This Product - Trusted itmbet brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **DIY Friendly:** Comes with a professional screwdriver kit so you can upgrade your battery hassle-free and feel empowered. - • **Built to Last:** Over 1000 high-speed charge cycles ensure your phone stays energized longer than ever. - • **Certified Safety:** Grade A+ cells with CE & ROHS certification plus built-in IC chip protect against overheating and overcharging. - • **Power Through Your Day:** Upgraded 6000mAh capacity delivers extended talk and standby time—never miss a moment. - • **Perfect Fit Compatibility:** Specifically designed for Samsung Galaxy S21 Ultra 5G models SM-G998B/DS/U for seamless replacement. ## Overview This 2024 upgraded 6000mAh replacement battery for Samsung Galaxy S21 Ultra 5G offers a massive boost in capacity and longevity, supporting over 1000 charge cycles. Certified for safety with premium Grade A+ cells and equipped with a built-in IC chip, it ensures reliable, efficient charging. Compatible with all S21 Ultra 5G variants, it includes a handy repair toolkit for easy installation, making it the ultimate upgrade for professionals who demand peak phone performance. ## Description Buy ITMBET Battery for Samsung Galaxy S21 Ultra, [6000mAh] Upgraded 2024 New 0 Cycle EB-BG998ABY Battery Replacement for Samsung Galaxy S21 Ultra 5G SM-G998B/DS SM-G998U with Replacement Tool Kits: Batteries - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Great battery - I'm 72 and was able to install this battery. My old battery was swollen and separated the case so that made it a little easier to open it up. My phone now looks like new and lasts longer on a charge than it did when it was new. Review: 9k - Great job ## Features - ►【 Upgrade Capacity to 6000mAh】- Galaxy S21 Ultra battery replacement use advanced technology makes the battery capacity for S21 Ultra up to 6000mAh with the same size. Best Replacement for the original S21 Ultra battery, With extra enhanced talk time, standby time and longevity . It will provide you with up to 1000+ charge cycles with the high-speed and efficient charge. - ►【 Compatibility Model 】- Suitable for Samsung Galaxy S21 Ultra, Model: S21 Ultra 5G SM-G998|G998B|G998U|EB-BG998ABY - ►【 High Quality Battery Replacement】- 100% New High quality updated battery for S21 Ultra Uses Grade A+ battery cells with CE and ROHS certified, Each battery comes with a tested under strict quality control standard, and built-in IC chip to prevent from over-charging, over-heating and other defects. All the batteries have been tested before shipping out, and come with repairing tools for installation. - ►【 You Will Get 】- This package contents: 1 x High Quality Replacement Battery for S21 Ultra; 1 x Repair Replacement Screwdriver Kit. - ►【Worry-free Warranty】 If you are not satisfied with our product, please contact our friendly customer service through the "Contact Seller" feature, and we will reach out to you within 24 hours to solve your problem quickly and efficiently! So you can purchase our products without any risk. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CZ71V8JD | | Antenna Location | Indoor/Outdoor | | Battery Capacity | 2950 Milliamp Hours | | Battery Cell Type | NiMH | | Battery Weight | 50 Grams | | Best Sellers Rank | #20,738 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #42 in Cell Phone Replacement Batteries | | Brand | ITMBET | | Customer Reviews | 4.3 4.3 out of 5 stars (72) | | Manufacturer | Xunxuanmei Cross-border Business (Shenzhen) Co., Ltd. | | Model Name | For S21U | | Model Number | For S21U | | Number of Batteries | 1 C batteries required. (included) | | Reusability | Rechargeable | | UPC | 732133012574 | | Unit Count | 1.0 Count | | Voltage | 3.87 Volts | ## Product Details - **Battery Capacity:** 2950 Milliamp Hours - **Battery Cell Composition:** NiMH - **Brand:** ITMBET - **Number of Batteries:** 1 C batteries required. (included) - **Recommended Uses For Product:** Indoor/Outdoor ## Images ![Battery for Samsung Galaxy S21 Ultra, [6000mAh] Upgraded 2024 New 0 Cycle EB-BG998ABY Battery Replacement for Samsung Galaxy S21 Ultra 5G SM-G998B/DS SM-G998U with Replacement Tool Kits - Image 1](https://m.media-amazon.com/images/I/61BnFvRqctL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great battery *by G***Y on December 13, 2025* I'm 72 and was able to install this battery. My old battery was swollen and separated the case so that made it a little easier to open it up. My phone now looks like new and lasts longer on a charge than it did when it was new. ### ⭐⭐⭐⭐⭐ 9k *by R***S on November 26, 2025* Great job ### ⭐⭐⭐⭐⭐ Review *by M***. on December 12, 2025* MUY BUENO ## Frequently Bought Together - ITMBET Battery for Samsung Galaxy S21 Ultra, [6000mAh] Upgraded 2024 New 0 Cycle EB-BG998ABY Battery Replacement for Samsung Galaxy S21 Ultra 5G SM-G998B/DS SM-G998U with Replacement Tool Kits - Perzework Rear Back Glass Replacement for Samsung Galaxy S21 Ultra 5G with Pre-Installed Adhesive and Repair Tool Kits (Phantom Black) - PHONSUN Back Battery Door Cover Adhesive Tape for Samsung Galaxy S21 Ultra 5G SM-G998U G998U1 G998 (Pack of 2) --- ## 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.vn/products/633139407-battery-for-samsung-galaxy-s21-ultra-6000mah-upgraded-2024-new](https://www.desertcart.vn/products/633139407-battery-for-samsung-galaxy-s21-ultra-6000mah-upgraded-2024-new) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-04-26*