Brand New Genuine Samsung Galaxy S21 Battery – OEM EB-BG991ABY (Compatible with G990 / G991 / S21 5G)

Description

Li-ion Battery Replacement For Samsung Galaxy S21

Keep your Samsung Galaxy S21 running at peak performance with this OEM Original Samsung EB-BG991ABY replacement battery. Designed specifically for the Galaxy S21 series (G990, G991, S21 5G), this genuine Samsung battery provides reliable power, long-lasting performance, and a perfect fit—just like the original battery your phone came with.

Product Features:
OEM Original: 100% genuine Samsung part, not aftermarket or third-party
Battery Model: EB-BG991ABY
Compatible Models: Samsung Galaxy S21 5G (SM-G991U, SM-G991B, SM-G991N) and Galaxy S21 (G990 series)
Rated Capacity: 4000mAh (Typical Capacity: 3880mAh)
Voltage: 3.88V
Condition: Brand new, unused, and factory sealed

Why choose an OEM Samsung battery?
Choosing an original Samsung Galaxy S21 battery replacement ensures safe charging and discharging cycles, consistent power output, and full compatibility with your device. You’ll experience better battery health, longer lifespan, and performance that matches the day you first unboxed your phone.

What’s included:
1x OEM Samsung EB-BG991ABY Battery
(Tools or adhesive not included)

Pro tip: For the best results, professional installation is recommended. If you prefer to replace the battery yourself, use ESD-safe tools and follow a trusted step-by-step repair guide to ensure a clean and secure installation.

Bring your Galaxy S21 back to life with genuine Samsung power. Order your OEM Galaxy S21 battery replacement today and get your device performing like new again.

Brand New Genuine Samsung Galaxy S21 Battery – OEM EB-BG991ABY (Compatible with G990 / G991 / S21 5G)

Product form

Li-ion Battery Replacement For Samsung Galaxy S21 Keep your Samsung Galaxy S21 running at peak performance with this OEM Original... Read more

Free pickup in our shop(s)

SKU: EB-BG991ABY

$39.99 $26.99

    • Available for Demand Order. Expect this item in 15 days or less.
    • This listing is priced per item
    • Contact us for bulk and B2B deals
    • Shipped today? Order within: Nov 30, 2025 17:00:00 -0600

    Description

    Li-ion Battery Replacement For Samsung Galaxy S21

    Keep your Samsung Galaxy S21 running at peak performance with this OEM Original Samsung EB-BG991ABY replacement battery. Designed specifically for the Galaxy S21 series (G990, G991, S21 5G), this genuine Samsung battery provides reliable power, long-lasting performance, and a perfect fit—just like the original battery your phone came with.

    Product Features:
    OEM Original: 100% genuine Samsung part, not aftermarket or third-party
    Battery Model: EB-BG991ABY
    Compatible Models: Samsung Galaxy S21 5G (SM-G991U, SM-G991B, SM-G991N) and Galaxy S21 (G990 series)
    Rated Capacity: 4000mAh (Typical Capacity: 3880mAh)
    Voltage: 3.88V
    Condition: Brand new, unused, and factory sealed

    Why choose an OEM Samsung battery?
    Choosing an original Samsung Galaxy S21 battery replacement ensures safe charging and discharging cycles, consistent power output, and full compatibility with your device. You’ll experience better battery health, longer lifespan, and performance that matches the day you first unboxed your phone.

    What’s included:
    1x OEM Samsung EB-BG991ABY Battery
    (Tools or adhesive not included)

    Pro tip: For the best results, professional installation is recommended. If you prefer to replace the battery yourself, use ESD-safe tools and follow a trusted step-by-step repair guide to ensure a clean and secure installation.

    Bring your Galaxy S21 back to life with genuine Samsung power. Order your OEM Galaxy S21 battery replacement today and get your device performing like new again.

    Collapsible content

    Battery & Charger Safety Notice

    For your safety and the longevity of your equipment, please follow these important guidelines when purchasing, using, and handling batteries and chargers:
    : Use batteries and chargers that are designed for your device. Incorrect voltage or capacity can cause overheating, fire, or device damage.
    : Do not leave batteries charging unattended for long periods. Overcharging can reduce battery life and increase the risk of failure.
    : Check batteries and chargers for signs of damage, swelling, leaking, or unusual heat. Stop use immediately if any issues are found.
    : Keep batteries in a cool, dry place, away from direct sunlight and flammable materials. Do not expose them to extreme temperatures.
    : Do not throw used batteries in the trash. Recycle them according to local regulations to protect the environment and reduce safety risks.
    : Only use chargers and accessories that are certified and compatible with your battery type and device.

    Register an Account with Battery GC for Exclusive Premium Pricing

    At Battery GC, we’re committed to powering your needs with high-quality batteries, chargers, and energy solutions—at prices that work for you. Whether you're a frequent buyer, a business customer, or just looking to get the best value, registering an account is the smartest way to save.

    When you register an account, you unlock access to Premium Pricing—exclusive discounts and special rates not available to guest shoppers. It’s our way of rewarding loyal customers and industry partners who count on Battery GC for reliable products and top-tier service.

    Why Register?

    members-only pricing on select products


    early access to promotions and special offers
    and track your order history

    Creating an account is quick, easy, and completely free. Whether you’re managing a fleet, stocking up for retail, or just need dependable power solutions, Battery GC is here to support you—at the best possible price.

    Join today and start saving with Premium Pricing.

    Question? Need a Direct Quote?


    Contact us directly for a personalized quote! Whether you're ordering in bulk or need a custom solution, we’re here to help you get the best value.

    Reach out today for a fast, no-obligation quote

    Recently viewed products

    © 2025 GCBattery, Powered by Shopify

      • American Express
      • Apple Pay
      • Diners Club
      • Discover
      • Google Pay
      • Mastercard
      • PayPal
      • Shop Pay
      • Visa

      Login

      Forgot your password?

      Don't have an account yet?
      Create account