The battery is brand new premium battery, provides the same backup as the original battery that came with the phone.
These batteries provide the long-lasting and dependable performance you expect
Battery Instruction:
Please drain the battery completely three times before charging, followed by a full charge. As a result, the battery can be used to its full potential. Please keep in mind that its full effect and longevity are only realized after 3 to 5 full charge and discharge circles.
Warranty Summary.
Warranty Summary
· 3 Months Replacement Warranty
Service Type
· Replacement Warranty, Customer need to send the product back and  replacement will be shipped
Covered in Warranty
· Warranty of the product is limited to manufacturing defects only
Not Covered in Warranty
· Swollen and Burned Battery Will not Covered in Warranty