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Galaxy S21 Ultra Battery, [Upgraded] UNKLOU 5700mAh Li-Polymer EB-BG998ABY Replacement Battery for Samsung Galaxy S21 Ultra 5G SM-G998 with Repair Tool Kit [24 Month Service]
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Galaxy S21 Ultra Battery, [Upgraded] UNKLOU 5700mAh Li-Polymer EB-BG998ABY Replacement Battery for Samsung Galaxy S21 Ultra 5G SM-G998 with Repair Tool Kit [24 Month Service]
Please double check your phone model prior to purchasing to ensure this replacement battery is compatible with your phone.
Galaxy S21 Ultra Battery, [Upgraded] UNKLOU 5700mAh Li-Polymer EB-BG998ABY Replacement Battery for Samsung Galaxy S21 Ultra 5G SM-G998 with Repair Tool Kit [24 Month Service]
Item #: 68566972

Galaxy S21 Ultra Battery, [Upgraded] UNKLOU 5700mAh Li-Polymer EB-BG998ABY Replacement Battery for Samsung Galaxy S21 Ultra 5G SM-G998 with Repair

Item #: 68566972

NAD 552

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Wednesday, July 29
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Please double check your phone model prior to purchasing to ensure this replacement battery is compatible with your phone.
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What Stands Out

High Capacity
The upgraded 5700mAh capacity ensures longer usage time, allowing users to enjoy their Galaxy S21 Ultra without frequent recharging, providing exceptional convenience for heavy users.
Complete Repair Kit
Includes a comprehensive repair tool kit, making battery replacement straightforward. Users can easily install the new battery themselves, saving time and money on professional services.
24 Month Service
Backed by a 24-month service warranty, ensuring peace of mind with a reliable replacement. This commitment to quality gives users confidence in their purchase and long-term performance.

Product Details

Get an [Upgraded] Galaxy S21 Ultra Battery Replacement with 5700mAh capacity. Compatible with Samsung Galaxy S21 Ultra 5G SM-G998. Includes repair tool kit and 24-month service. Buy now. Shop at Ubuy Namibia
Item Weight0.5 lbs (230 grams)

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Frequent Users

    Ideal for users who rely heavily on their phone throughout the day needing extended battery life.

  • Tech Savvy

    Great for individuals comfortable with DIY repairs and upgrades, as installation tools are included.

  • Value Seekers

    Perfect for those looking for affordable battery replacements without sacrificing quality and lifespan.

Not Suitable For
  • Casual Users

    Not suitable for users with light phone usage who may not need a battery upgrade.

Product Description

Galaxy S21 Ultra Battery, [Upgraded] UNKLOU 5700mAh Li-Polymer EB-BG998ABY Replacement Battery for Samsung Galaxy S21 Ultra 5G SM-G998 with Repair Tool Kit [24 Month Service]

About This Item

Get the most out of your Samsung Galaxy S21 Ultra with the UNKLOU Galaxy S21 Ultra Battery. This upgraded replacement battery boasts a whopping 5700mAh capacity, ensuring that your device stays powered up throughout the day. Say goodbye to battery anxiety and enjoy extended usage time with this high-capacity battery. Compatible with the Samsung Galaxy S21 Ultra 5G SM-G998, this Li-Polymer battery is designed to fit seamlessly into your device.

It comes with a repair tool kit, making installation quick and hassle-free. Please double-check your phone model before purchasing to ensure compatibility. Not only does this battery provide a long-lasting power supply, but it also features a voltage output of 3.85V and a watt-hour rating of 21.94Wh. These specifications guarantee optimal performance for your Galaxy S21 Ultra. Don't worry about losing any data during the battery replacement process.

As long as the repair is done correctly, your data will remain intact. If you need guidance, you can refer to instructional videos on YouTube or seek assistance from a technician. To ensure a smooth experience with your new battery, please take note of these FAQs: Q1. Why doesn't the battery connector fit? A1: Please ensure that you have purchased the correct model battery.

Check your phone's model on the back to confirm compatibility. Q2. Why won't my phone turn on? A2: Make sure the battery connector is properly connected and charge your phone for 15 minutes using the original charger and cable. If the battery is completely drained, it may take some time to reach a 5% charge level before it can be turned on. Q3.

Why isn't the battery charging? A3: There may be a bad connection. Open your phone and reconnect the battery connector to the logic board socket, ensuring a secure connection. If there is any debris or obstruction in the battery socket, clean it out carefully. Q4.

Why isn't the battery fully charged after installation? A4: Batteries are not fully charged when leaving the factory for security reasons. It is normal for the battery level to be between 5-80% when first inserted into the phone. Upgrade your Galaxy S21 Ultra with this reliable replacement battery from UNKLOU. Enjoy extended battery life and worry-free power for your device.

Don't miss out on this essential accessory to enhance your smartphone experience.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What makes the upgraded 5700mAh battery better than the original for the Galaxy S21 Ultra?

    Answer: The upgraded 5700mAh battery offers a higher capacity compared to the original battery, allowing for longer usage between charges. With enhancements in Li-Polymer technology, this battery ensures better heat management and longevity. Users will appreciate extended screen time during activities like streaming or gaming, as well as improved performance during intensive tasks. This upgrade is ideal for heavy smartphone users who need reliable power throughout the day.
  • Question: Is it easy to install the Galaxy S21 Ultra replacement battery?

    Answer: Yes, the installation process for the Galaxy S21 Ultra replacement battery is designed to be user-friendly, especially with the included repair tool kit. Following the provided step-by-step instructions allows even those with minimal technical skills to replace their battery effectively. Practical use cases include quick replacements at home when your phone battery drains too fast, ensuring you can enjoy your device without interruptions.
  • Question: How long can I expect the upgraded Galaxy S21 Ultra battery to last?

    Answer: The upgraded 5700mAh battery typically lasts a full day or more, depending on your device usage. With moderate use—which includes browsing, social media, and making calls—users can expect substantial power reserve throughout their day. Scenarios like a long business trip or a day-long outing can benefit greatly from this longevity, as it reduces the need for constant recharging.
  • Question: Is this replacement battery compatible with all Galaxy S21 Ultra models?

    Answer: Yes, this replacement battery is specifically designed for the Samsung Galaxy S21 Ultra 5G SM-G998 model. Ensuring compatibility is crucial, as using a battery not meant for your device could lead to performance issues. When replacing, always confirm your phone model to avoid complications and to enjoy the seamless performance that the specific battery offers.
  • Question: What tools are included in the repair kit for the Galaxy S21 Ultra battery?

    Answer: The repair tool kit includes essential tools such as a screwdriver, prying tools, and adhesive strips to facilitate a smooth battery replacement process. Each tool is selected to simplify the operation and prevent damage to your device. This kit is especially useful for DIY enthusiasts or anyone who prefers a hassle-free installation experience without a trip to the repair shop.
  • Question: Will using a third-party battery void my warranty?

    Answer: Using a third-party battery could potentially void the warranty of your device, depending on the manufacturer's policy. However, many users opt for reputable replacements like the upgraded 5700mAh battery, especially if the original battery has degraded. Always check your specific warranty terms for clarity and consider documenting your battery replacement for future reference.
  • Question: Can I return the Galaxy S21 Ultra battery if it doesn't meet my expectations?

    Answer: Return policies vary by retailer, but many e-commerce platforms, including Ubuy, offer flexible return options. If the upgraded battery does not meet your expectations or is incompatible, you typically can return it within a certain timeframe. Make sure to keep the original packaging and any included documentation to ensure a smooth return process.
  • Question: How do I properly dispose of my old Galaxy S21 Ultra battery?

    Answer: Proper disposal of old batteries is essential for environmental safety. Most regions have designated recycling centers for electronic waste, including phone batteries. Consider contacting your local waste management facility or searching for nearby recycling programs that accept lithium-polymer batteries. Recycling helps minimize environmental impact and supports sustainability efforts.
  • Question: Where can I buy the Galaxy S21 Ultra replacement battery in Namibia?

    Answer: You can buy the Galaxy S21 Ultra battery, [Upgraded] 5700mAh Li-Polymer EB-BG998ABY Replacement, through Ubuy. Ubuy provides a hassle-free shopping experience with swift delivery options and customer support to assist you any time during your purchase journey, ensuring that you can easily acquire the battery you need for your device.

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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

NAD 552

Order now and get it around Wednesday, July 29

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

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Fastest cross-border delivery

Features & Benefits

  • Battery Capacity: 5,700 mAh
  • Battery Type: Lithium Ion Polymer
  • Voltage Output: 3.85 V
  • Watt-hour: 21.94Wh
  • Compatible with Samsung Galaxy S21 Ultra 5G (SM-G998)
  • Package includes replacement battery and manual guide

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