
Introduction
All smartphone batteries degrade over time. For Samsung S20 Ultra owners, recognizing when to replace yours can save you from unexpected shutdowns and poor performance.
Signs You Need a New Battery
- Phone dies before reaching 20% charge
- Battery drains significantly faster than before
- Back cover is bulging (swollen battery)
- Phone gets unusually hot during charging
- “Battery health poor” system warnings
Benefits of Premium Replacement
✔ Restores Original Capacity – Full 4,500mAh performance
✔ Maintains Fast Charging – Works with 45W Samsung chargers
✔ Safety Certified – Protection circuits prevent overheating
Installation Guide
- Power off your device completely
- Heat and remove the back glass carefully
- Disconnect the old battery
- Install new battery with included adhesive
- Reassemble and test charging
Professional vs DIY Consideration
Consider professional installation if:
- You want to maintain water resistance
- Your phone has existing damage
- You’re uncomfortable with delicate components
