Original Samsung Galaxy S21 5G Battery EB-BG991ABY – 4000mAh
The Samsung S21 Battery EB-BG991ABY is a 4000mAh Li-Ion Polymer replacement battery designed for the Samsung Galaxy S21 5G. It is listed as compatible with multiple SM-G991 model variants and is suitable for replacing an old, weak, fast-draining, or damaged battery.
With a 4000mAh capacity and approximately 3.88V voltage, this replacement battery is designed to help restore dependable battery performance on compatible Samsung Galaxy S21 5G smartphones.
Product Specifications
| Features | Samsung Battery |
|---|---|
| Brand | Samsung |
| Battery Model | EB-BG991ABY |
| Battery Type | Li-Ion Polymer |
| Charging Time | 2 to 3 hours |
| Battery Capacity | 4000mAh |
| Voltage | 3.88V Approx. |
| Weight | 55.5g Approx. |
| Compatibility | Samsung Galaxy S21 5G |
| Warranty | 180 Days (06 Months) |
| Packing | Loose Packing |
| Country of Origin | China |
Compatible Models
The Samsung S21 Battery EB-BG991ABY is listed as compatible with:
- Samsung Galaxy S21 5G – SM-G991B
- Samsung Galaxy S21 5G – SM-G991B/DS
- Samsung Galaxy S21 5G – SM-G991U
- Samsung Galaxy S21 5G – SM-G991U1
- Samsung Galaxy S21 5G – SM-G991W
- Samsung Galaxy S21 5G – SM-G991N
- Samsung Galaxy S21 5G – SM-G9910
- Samsung Galaxy S21 5G – SM-G991Q
- Samsung Galaxy S21 5G – SCG09
Please compare your phone model and existing battery model number EB-BG991ABY before ordering.
Key Features
- Battery Model: EB-BG991ABY
- Capacity: 4000mAh
- Battery Type: Li-Ion Polymer
- Voltage: 3.88V approximately
- Charging Time: 2 to 3 hours
- Designed for compatible Samsung Galaxy S21 5G smartphones
- Suitable for replacing an old or weak battery
- 180 Days (06 Months) Warranty
- Supplied in Loose Packing
Why Replace Your Samsung S21 Battery?
A battery replacement may be required if your Samsung Galaxy S21 5G experiences:
- Fast battery drain
- Reduced battery backup
- Unexpected shutdowns
- Battery percentage dropping quickly
- Battery not holding a charge
- An old, weak, or damaged battery
Replacing a worn-out battery with a compatible Samsung S21 Battery can help restore reliable everyday battery performance.
Installation Information
The EB-BG991ABY battery is designed for the compatible Samsung Galaxy S21 5G models listed above. Battery replacement requires opening the smartphone and disconnecting the existing battery.
Professional installation by a qualified mobile phone technician is recommended.
Handle the battery carefully during installation. Do not puncture, bend, crush, or short-circuit the battery.
Warranty
This Samsung S21 Battery comes with a 180 Days (06 Months) warranty.
Warranty coverage is subject to the seller’s applicable warranty terms. Physical damage, incorrect installation, liquid damage, short-circuiting, swelling caused by misuse, or accidental damage may not be covered.
Battery Safety Guidelines
- Keep the battery away from excessive heat and direct sunlight.
- Do not puncture, bend, crush, or disassemble the battery.
- Do not short-circuit the battery terminals.
- Keep the battery away from water and other liquids.
- Use a compatible charging system.
- Do not expose the battery to extreme temperatures.
- Stop using the battery if it becomes unusually hot, swollen, or damaged.
- Keep the battery away from children and pets.
Before Ordering
Before purchasing the Samsung S21 Battery EB-BG991ABY, please check:
- Your Samsung Galaxy S21 5G model number.
- The battery model number printed on your existing battery.
- The battery connector and physical compatibility.
- The compatibility list provided above.
Matching the battery model number before ordering is recommended.
Package Contains
- 1 × Samsung EB-BG991ABY 4000mAh Battery
- Loose Packing
Support
Email: customercare@batterywala.online
Call / WhatsApp: 9222088888 / 9029545429
Support Hours: 11:00 AM – 8:00 PM
Sunday: Closed
If you are unsure whether the EB-BG991ABY Battery is suitable for your Samsung Galaxy S21 5G, compare your existing battery model number and phone model with the specifications above before placing your order.
Frequently Asked Questions
Q1. What is the battery model number?
The battery model number is EB-BG991ABY.
Q2. What is the capacity of the Samsung S21 Battery?
The listed battery capacity is 4000mAh.
Q3. Which phone is this battery compatible with?
It is listed for the Samsung Galaxy S21 5G and the following model variants: SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, and SCG09.
Q4. What type of battery is EB-BG991ABY?
It is a Li-Ion Polymer battery.
Q5. What is the approximate voltage?
The approximate voltage is 3.88V.
Q6. What is the warranty period?
The battery comes with a 180 Days (06 Months) warranty.
Q7. What is the listed charging time?
The listed charging time is approximately 2 to 3 hours.
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