100% brand new manufacturer. Our battery performance is stable and can enter more than 500 charging cycles in the entire battery life. Made of the highest quality materials, with overcharge and discharge circuit protection functions, UL- / CE- / FCC- / RoHS security and defense certification.
Warranty: 30-day refund and free replacement, 12-month warranty, if you have any questions or concerns, please feel free to contact us, we focus on providing quality power products and excellent customer service. We will be happy to help you! Please rest assured to buy!!!