--- product_id: 275616132 title: "NEWDERY for Galaxy S21 Ultra 5G Battery Case, Qi Wireless Charging case with 4700mAh Backup Battery Pack, Portable Rechargeable Smart Battery Charger Case Compatible with Samsung S21 Ultra(6.8”) Black" brand: "newdery" price: "2376493₫" currency: VND in_stock: true reviews_count: 8 category: "Newdery" url: https://www.desertcart.vn/products/275616132-newdery-for-galaxy-s21-ultra-5g-battery-case-qi-wireless store_origin: VN region: Vietnam --- # Qi wireless dual charging 4700mAh extra power camera & phone protection NEWDERY for Galaxy S21 Ultra 5G Battery Case, Qi Wireless Charging case with 4700mAh Backup Battery Pack, Portable Rechargeable Smart Battery Charger Case Compatible with Samsung S21 Ultra(6.8”) Black **Brand:** newdery **Price:** 2376493₫ **Availability:** ✅ In Stock ## Summary > ⚡ Power Up in Style, Stay Unstoppable ## Quick Answers - **What is this?** NEWDERY for Galaxy S21 Ultra 5G Battery Case, Qi Wireless Charging case with 4700mAh Backup Battery Pack, Portable Rechargeable Smart Battery Charger Case Compatible with Samsung S21 Ultra(6.8”) Black by newdery - **How much does it cost?** 2376493₫ 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/275616132-newdery-for-galaxy-s21-ultra-5g-battery-case-qi-wireless) ## Best For - newdery enthusiasts ## Why This Product - Trusted newdery brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Power Boost:** Lightweight, easy-to-use case with intuitive slide-in design and one-button activation—charge on your terms. - • **Smart Safety, Always On:** Integrated smart chips prevent overheating, overcharging, and short circuits—power up with peace of mind. - • **Simultaneous Qi Charging:** Charge both your phone and case at once with advanced Qi wireless tech—cut the wait, not the vibe. - • **Slim Armor for Your Ultra:** Sleek, raised bezel design shields your camera and phone from daily wear without bulk. - • **Double Your Day, Wirelessly:** 4700mAh built-in battery doubles your S21 Ultra runtime—never miss a moment. ## Overview The NEWDERY Qi Wireless Charging Case for Samsung Galaxy S21 Ultra features a robust 4700mAh battery that doubles your phone’s life, supports simultaneous Qi wireless charging for both phone and case, and offers a slim, protective design with smart safety chips to prevent damage. Perfect for busy professionals and travelers seeking reliable, on-the-go power without sacrificing style or convenience. ## Description Product description Only for Samsung s21 ultra 6.8 inches, not for s21 6.2 inches, s21 plus 6.7 inches, or other phone models. NEWDERY Rechargeable Protective Battery Pack Charger Case 4700mAh Compatible With Samsung S21 Ultra 5G 6.8" 1. Only for Samsung s21 ultra 6.8 inches, not for s21 6.2 inches, s21 plus 6.7 inches, or other phone models. 2.Built in 4700mAh Lithium ion battery, add extra power to your phone. 3.Support Simultaneously Charge, Phone Charge First. 4.Qi wireless charging & Bluetooth headsets support. 5.This s21 ultra charger case is not waterproof. please use only in dry environments. 6.Certificated by CE, FC and Rohs. This is a portable product that can be carried on the plane. 7.Power your phone anywhere, anytime. Full Protection Camera protection Soft rubber part Hard shell backplane Raise-Edge Protection Inner face soft fabric Hard shell backplane and raise edge protect your phone from scratch, wear and tear. Built in smart chip Protect your phone from overcharging, short-circuiting, over voltage, and over current. Provide a safe and effective charging environment for your mobile phone Smart LED Indicator One-click the power button to track the remain power of the Samsung s21 ultra charger case. The light will flash when slim power bank charges your phone. After the s21 ultra battery case is full charged, the led doesn't flash. Lightweight And Easy To Hold Lightweight and ultra-slim design for your comfort gives you no hassle carrying it around. Goes right in your pocket, and hold it on your palm. It is comfort to the touch and not slippery whatever. What you get 1*Battery Case for Samsung Galaxy S21 Ultra 1*User Manual Easy To Use Bend the soft rubber part. Slide your phone into the charging case, make sure the port is aligned with the connector charging. Then press the power button for 3s to start charging. If you want to take it off the phone, bend the soft rubber part, and push your phone up slowly. Specifications Capacity: 4700mAh Input: 5V/1.8A Output: 5V/1.5A Charging Cable: USB-C Service: 24 hours tech-support Review: Great customer support - The product apearence is nice and fits very well the phone, but after a couple of charges, it started failing to make proper conection to the phone, it gives a message it started charging, and imediatly notifies no charging, over and over... I am fearfull it will damage my phone because of that..... Update of my review... Customer service contacted me after my message, and they were great, they immediately answered and sent me a new charging case, and it is working great! Definitely a great customer oriented company! Review: Problem + some resolved - Long story short, my phones charging port died so I couldn't charge anymore, bought a wireless charger but I had to take the case off to charge.. New case not was only wireless and a USB C port for charging and a backup battery. When you need power push the button on the back and the wireless charging kicks in and takes power from the extra battery ## Features - 【QI WIRELESS SUPPORTED】: NEWDERY S21 Ultra 5G battery case supports convenient wireless charging. The case battery and s21 ultra can be charged via Qi wireless pad at the same time.The portable charger case is only for Samsung Galaxy S21 Ultra( 6.8”), not for S21, S21 Plus, or other phone models. - 【DURABLE 100% EXTRA BATTERY LIFE】Built-in 4700mAh rechargeable Li-polymer battery, offers an extra 100% battery life for your phone effectively. Say goodbye to low battery anxiety and awkward moments. Ideal for traveling, camping, business trip or other outdoor occasions. - 【SAFE AND NICE DESIGN】 The slim s21 ultra charging case with upgraded Raised bezel design, camera protection and high quality backplane can protect your phone from daily scratches,wear and tear. Built-in smart chips to protect your smart phone from overheating, short-circuiting, over charging, and discharging. This is a portable product that can be carried on the plane. - 【SLIM & EASY TO USE】 The s21 ultra charger case has a little weight and the grip is great. Bend the soft rubber part , slide your phone into the charging port from top to bottom, then lightly press the phone after the charging port was inserted, finally press the power button for 3s to turn on, after the indicator flash will start charging. No matter when and where, you can enjoy smart life with NEWDERY extended battery case. - 【What You Get】1*NEWDERY Battery Case for s21 ultra,1*User Manual.24h professional and friendly support, if you have any problem, we will be more than happy to assist. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08SWFNCLF | | Additional Features | Built In Battery | | Age Range Description | 15-70 years old | | Best Sellers Rank | #51,129 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #208 in Cell Phone Battery Charger Cases | | Brand | NEWDERY | | Color | Black | | Compatible Cellular Phone Models | Samsung Galaxy S21 | | Compatible Devices | for samsung galaxy s21 ultra | | Compatible Phone Models | Samsung Galaxy S21 Ultra | | Customer Package Type | standard packaging | | Customer Reviews | 3.8 out of 5 stars 744 Reviews | | Embellishment Feature | No | | Enclosure Material | Plastic, Polycarbonate, Rubber, Thermoplastic Polyurethane | | Finish | Smooth | | Form Factor | Battery Case | | Is Autographed | No | | Item Dimensions | 6.71 x 3.2 x 0.8 inches | | Item dimensions L x W x H | 6.71 x 3.2 x 0.8 inches | | Manufacturer | Shenzhen Zhenghaixin Technology Co., Ltd. | | Material | Plastic, Polycarbonate, Rubber, Thermoplastic Polyurethane | | Mfr Part Number | XDL-202W | | Model Name | Battery Case for Galaxy S21 Ultra 5G | | Model Number | XDL-202W | | Number of Items | 1 | | Pattern | Solid | | Screen Size | 6.8 Inches | | Style Name | Regular | | Theme | No Theme | | Unit Count | 1 Count | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** NEWDERY - **Color:** Black - **Compatible Devices:** Samsung s21 ultra 5G 6.8" - **Compatible Phone Models:** Samsung Galaxy S21 Ultra - **Material:** Plastic, Polycarbonate, Rubber, Thermoplastic Polyurethane ## Images ![NEWDERY for Galaxy S21 Ultra 5G Battery Case, Qi Wireless Charging case with 4700mAh Backup Battery Pack, Portable Rechargeable Smart Battery Charger Case Compatible with Samsung S21 Ultra(6.8”) Black - Image 1](https://m.media-amazon.com/images/I/71+VAc3vZXL.jpg) ![NEWDERY for Galaxy S21 Ultra 5G Battery Case, Qi Wireless Charging case with 4700mAh Backup Battery Pack, Portable Rechargeable Smart Battery Charger Case Compatible with Samsung S21 Ultra(6.8”) Black - Image 2](https://m.media-amazon.com/images/I/81nqlxJtPpL.jpg) ![NEWDERY for Galaxy S21 Ultra 5G Battery Case, Qi Wireless Charging case with 4700mAh Backup Battery Pack, Portable Rechargeable Smart Battery Charger Case Compatible with Samsung S21 Ultra(6.8”) Black - Image 3](https://m.media-amazon.com/images/I/71Og4OumS+L.jpg) ![NEWDERY for Galaxy S21 Ultra 5G Battery Case, Qi Wireless Charging case with 4700mAh Backup Battery Pack, Portable Rechargeable Smart Battery Charger Case Compatible with Samsung S21 Ultra(6.8”) Black - Image 4](https://m.media-amazon.com/images/I/71leZaxNAOL.jpg) ![NEWDERY for Galaxy S21 Ultra 5G Battery Case, Qi Wireless Charging case with 4700mAh Backup Battery Pack, Portable Rechargeable Smart Battery Charger Case Compatible with Samsung S21 Ultra(6.8”) Black - Image 5](https://m.media-amazon.com/images/I/71Oi+2LGMZL.jpg) ## Questions & Answers **Q: Probably a dumb question but can you still power share with this on?** A: You can't use power share with this case on. **Q: Will the Newdery external case battery allow me to use it first & not use my internal phone battery unless I want to?** A: No, it will use the phone battery first. At any time you can activate the power supply to recharge the ohone. **Q: Q: Does it work with standing wireless chargers** A: Yes, it will work with Standing wireless charger. **Q: Why does the charging port stop working after only a year? Ive owned 2 and now my 2nd one the port won't charge its a short in it.** A: We have 12-month warranty. welcome to contact me if your order is within 12-month. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great customer support *by H***E on November 29, 2021* The product apearence is nice and fits very well the phone, but after a couple of charges, it started failing to make proper conection to the phone, it gives a message it started charging, and imediatly notifies no charging, over and over... I am fearfull it will damage my phone because of that..... Update of my review... Customer service contacted me after my message, and they were great, they immediately answered and sent me a new charging case, and it is working great! Definitely a great customer oriented company! ### ⭐⭐⭐⭐⭐ Problem + some resolved *by J***N on February 17, 2024* Long story short, my phones charging port died so I couldn't charge anymore, bought a wireless charger but I had to take the case off to charge.. New case not was only wireless and a USB C port for charging and a backup battery. When you need power push the button on the back and the wireless charging kicks in and takes power from the extra battery ### ⭐ Horrible product *by J***N on July 31, 2021* I'll start this by saying i had the exact case for my last phone and loved it,it worked flawlessly, but when i upgraded to the s21 i thought why not,the last case worked great, boy was I wrong,this case is horrible,does not charge phone, amazon replaced the first set of cases when they didnt work and now the replacements dont work, what a waste of money and the company knows about this problem and keeps selling them anyway,it just power cycles and causes ypur phone to short out.....DO NOT BUY!!!!! ## Frequently Bought Together - NEWDERY Battery Case for Galaxy S21 Ultra 5G, Qi Wireless Charging case with 4700mAh Backup Battery Pack, Portable Rechargeable Smart Battery Charger Case Compatible with Samsung S21 Ultra(6.8”) - TAURI [2+2 Pack Designed for Samsung Galaxy S21 Ultra 5G 6.8 - inch, 2 Pack Flexible TPU Screen Protector + 2 Pack Camera Lens Protector Support Fingerprint Unlock Easy Installation Bubble Free - Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Black - Unlocked (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.vn/products/275616132-newdery-for-galaxy-s21-ultra-5g-battery-case-qi-wireless](https://www.desertcart.vn/products/275616132-newdery-for-galaxy-s21-ultra-5g-battery-case-qi-wireless) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-03*