Q1: Is this a genuine OEM Samsung battery?
A: This is a high-performance replacement battery engineered to be fully compatible with the original Samsung model EB-BG998ABY. It is manufactured to meet or exceed OEM specifications, providing reliable performance and built-in safety features. It offers a cost-effective alternative to restore your S21 Ultra’s battery life.

Q2: Is this battery compatible with my Samsung Galaxy S21 Ultra 5G (Model SM-G998)?
A: Yes, this battery is 100% compatible with all variants of the Samsung Galaxy S21 Ultra 5G (Model SM-G998). It is a direct replacement for the original Samsung battery (model EB-BG998ABY) and guarantees a perfect fit and full functionality.

Q3: What is the capacity of this battery? Does it match the original?
A: This battery has a 5000mAh capacity, which is the exact same specification as the original battery for the Samsung Galaxy S21 Ultra 5G. It is designed to restore your phone’s battery life to its original, full-day performance.

Q4: What safety features does this compatible battery have? I’m concerned about safety.
A: Your safety is our top priority. This battery includes multiple built-in intelligent protection circuits to ensure safe operation:

• Overcharge Protection

• Over-discharge Protection

• Short-Circuit Protection

• Over-temperature Protection
  It is also CE and RoHS certified, meeting stringent international safety and environmental standards.

Q5: How long does it take to charge this battery fully?
A: Using a compatible 25W+ USB-C Fast Charger, the battery can be charged from 0% to 100% in approximately 60-80 minutes. Charging times may vary slightly based on the charger used and ambient temperature.

Q6: Does this product include the necessary tools and adhesive for installation?
A: This listing includes the replacement battery and a new set of high-quality adhesive strips essential for resealing the back cover to maintain your phone’s integrity. For a successful installation, you will need a basic repair toolkit (including pry tools and screwdrivers), which is available separately or widely online.

Q7: How difficult is it to replace the battery on a Galaxy S21 Ultra?
A: Replacing the battery on the S21 Ultra is considered a moderate to complex repair due to its glued-back design and curved screen. We highly recommend watching several detailed video tutorials online before attempting. If you are not experienced with phone repairs, seeking professional help is advisable to avoid accidental damage.

Q8: What is your warranty policy for this battery?
A: We are confident in the quality and longevity of our products. This compatible battery is backed by a 12-month hassle-free replacement warranty. Please refer to the product documentation for full warranty terms and contact our customer service for support.