Description
Trusmi Replacement Battery for Samsung Galaxy S21 5G (SM-G991)
High-Capacity Li-ion Battery | Fast Charging | Long-Lasting Performance
✅ Overview
Restore your Samsung Galaxy S21 5G to peak power performance with the Trusmi High-Capacity Li-ion Replacement Battery. Built with premium-grade components, this battery is a direct replacement for the original EB-BG991ABY unit and delivers fast charging, all-day power, and long-term durability—perfect for users experiencing battery drain, overheating, or device shutdowns.
🔧 Key Features
🔋 4000 mAh True Capacity
Equipped with A+ grade lithium-ion cells to match the original 4000 mAh capacity, this battery ensures your phone lasts through work, entertainment, and travel without frequent charging.
⚡ Fast Charging Support (Up to 25W)
Engineered to fully support Samsung’s Super Fast Charging and USB Power Delivery (PD) standards. Get up to 50% charge in just 30 minutes when paired with a compatible charger.
🧩 OEM-Level Fit & Finish
Precisely manufactured to the standards of the original battery (EB-BG991ABY), ensuring seamless integration with your Samsung S21 5G (SM-G991) model. No compatibility issues, no fitting problems.
🛡️ Advanced Smart Chip Protection
Includes an intelligent IC chip that protects your phone from overcharging, overheating, over-discharging, and short circuits—maximizing safety and battery life.
🛠️ Optional DIY Repair Kit Available
Perfect for skilled users who prefer to replace the battery themselves. The optional kit includes high-precision tools, adhesive, and access to installation guidance or video tutorials.
