This is a genuine Samsung Battery for the Samsung Galaxy S21 Ultra 5G SM-G998, supplied as a brand new Samsung service pack part. Rated at 5000mAh and referenced as EB-BG998ABY, this is the original Samsung battery specification for the SM-G998, making it the ideal choice for repair technicians and refurbishers requiring a guaranteed like-for-like battery replacement that restores full power capacity and performance to the handset.

The Samsung Galaxy S21 Ultra 5G is powered by one of Samsung's most demanding mobile processors, and the battery plays a critical role in delivering consistent performance throughout the day. Over time, or following excessive charge cycles or physical damage, battery health degrades — resulting in reduced usage time, unexpected shutdowns, or reduced peak performance. Replacing with a genuine Samsung 5000mAh battery ensures the device is restored to its original power specification without compromise.

Common Faults Resolved

• Reduced battery life or device not holding charge
• Unexpected shutdowns under load or at low battery percentage
• Swollen or physically damaged battery
• Device running hot or draining rapidly under normal use
• Battery percentage dropping rapidly or jumping erratically
• Device not powering on due to battery failure

Key Features

• Part Type: Battery — Genuine Samsung Service Pack
• Capacity: 5000mAh
• Voltage: 3.85V
• Battery Reference: EB-BG998ABY
• Service Pack Number: GH82-24592A
• Condition: Brand new, genuine Samsung service pack
• Fit: Direct replacement for the Samsung Galaxy S21 Ultra 5G (SM-G998)

Compatible With

• Samsung Galaxy S21 Ultra 5G - SM-G998B
• Samsung Galaxy S21 Ultra 5G - SM-G998B/DS
• Samsung Galaxy S21 Ultra 5G - SM-G998U
• Samsung Galaxy S21 Ultra 5G - SM-G998U1
• Samsung Galaxy S21 Ultra 5G - SM-G998W
• Samsung Galaxy S21 Ultra 5G - SM-G998N

What's Included

• 1 x Battery - 5000mAh - Genuine Samsung Service Pack (EB-BG998ABY / GH82-24592A)

Important Notes

• Always discharge the battery below 25% before attempting removal. A charged lithium-ion battery presents a safety risk during disassembly. Never attempt to remove a swollen battery using heat.
• Battery adhesive will be required to secure the replacement battery following installation. Refer to our Samsung Galaxy S21 Ultra 5G Battery Adhesive listing for the correct compatible adhesive strip.

Disclaimer: This is a genuine Samsung service pack part, supplied brand new and unused. It is intended for use by qualified repair professionals and trade technicians only.