Samsung Galaxy S21 5G / G991 | Replacement Battery | EB-BG991ABY | 4000mAh

Original Samsung Service Pack – 4000mAh

£23.28 RRP £24.50

-4%

Samsung Galaxy S21 5G / G991 | Replacement Battery | EB-BG991ABY | 4000mAh

Name: Samsung Galaxy S21 5G / G991 | Replacement Battery | EB-BG991ABY | 4000mAh
Brand: TechMist
SKU: 54521085559117
Price: 23.28 GBP
Availability: InStock

Condition :

Warranty :

£23.28 RRP £24.50

-4%

In stock

Overview

Restore dependable battery performance to your Samsung Galaxy S21 5G / G991 with this 4000mAh EB-BG991ABY replacement battery.

Available in Original Samsung Service Pack and AFTERMARKET HQ variants, providing a choice for professional repairs and everyday battery replacements.

Features

Designed for Samsung Galaxy S21 5G / G991
4000mAh battery capacity
EB-BG991ABY battery model
Original Samsung Service Pack option
AFTERMARKET HQ replacement option
Brand-new condition
Direct internal battery replacement
Suitable for professional repair technicians

Specifications

Part: Replacement Internal Battery
Part Number: EB-BG991ABY
Capacity: 4000mAh
Energy: 15.52Wh
Voltage: 4.43V / 4.47V depending on variant
Condition: New
Compatibility: Samsung Galaxy S21 5G / G991

Variant – Battery Type

Original Samsung Service Pack – 4000mAh
AFTERMARKET HQ – 4000mAh

Original Samsung Service Pack

Genuine Samsung Service Pack battery designed for the Galaxy S21 5G / G991 and suitable as an original replacement component.

Samsung Part Number: EB-BG991ABY
Service Pack Number: GH82-24537A
Capacity: 4000mAh
Voltage: 4.47V
Energy: 15.52Wh
Condition: New

AFTERMARKET HQ

A brand-new AFTERMARKET HQ internal replacement battery designed for reliable performance and direct compatibility with the Samsung Galaxy S21 5G.

Part Number: EB-BG991ABY
Capacity: 4000mAh
Voltage: 4.43V
Energy: 15.52Wh
Condition: New

Warranty

Aftermarket replacement part with a 6-month warranty. Terms & Conditions apply.

Compatibility

Samsung Galaxy S21 5G / G991

Free UK

Delivery

Quality

Checked

12 Months

Warranty

The TECHMIST Quality Promise

Certified devices, comprehensive warranties, and expert support. Always delivering premium technology and trusted service from our Harlow store nationwide UK.

We've Covered Your Doubts

Yes! Every phone from TECHMIST is factory unlocked and works with all UK networks including EE, O2, Vodafone, Three, and all MVNOs. They're also compatible with international networks for travel.

All devices come with a full 12-month warranty covering hardware defects. Refurbished phones also include a 30-day money-back guarantee. We're a physical store in Harlow, so you can always reach us for support.

Every refurbished device undergoes a 50-point inspection: battery health verification, screen/camera testing, connectivity checks, factory reset, and professional cleaning. Only Grade A/B/C devices that pass all tests are sold.

Absolutely! Choose "Click & Collect" at checkout. If the item is in stock at our Harlow store (18 Terminus Street, CM20 1ES), you can collect same-day. We'll notify you when it's ready.

Grade A: Like new, minimal to no signs of use, 90%+ battery health
Grade B: Very good, light cosmetic marks, 85%+ battery health
Grade C: Good, visible wear but fully functional, 80%+ battery health
All grades include full warranty and work perfectly.