?Top Quality?:Grade A+++ battery,Brand new 0 cycle, built to last up to 500 charging cycles. FCC, CE and RoHS Certificated. The batteries are pre-tested and guaranteed to function as expected ?Customer service? We sincerely hope you to be completely satisfied with your purchase.If you have any questions, please contact us directly. We are committed to resolving any situation in which our productdoes not meet your expectations.