Replacement Battery For Samsung Galaxy S21 / S21 5G | EB-BG991ABY

This is a compatible replacement battery for Galaxy S21 / S21 5G. With this 4000 mAh replacement battery, you can get long hours of standby time without frequent recharge. A long enough battery life is important to satisfy your daily use. 
Model Number: EB-BG991ABY
Voltage: 3.88 V
Capacity: 4000mAh
Chemistry: Lithium-Ion 
Brand: Unbranded/Generic
Warranty: 12 Months (Terms Apply)
Compatible With: 
- Samsung Galaxy S21 /  SM-G990
- Samsung Galaxy S21 5G / SM-G991
Condition: Brand New
Important: New Lithium-Ion batteries must be FULLY CHARGED and FULLY DISCHARGED 2 to 3 times, before being FULLY CONDITIONED. Please remember that a new Lithium-Ion battery's full performance and longevity are only achieved after 2 to 3 complete charge and discharge cycles. After you go through 2 to 3 cycles, you'll never have to condition your battery again!