【Security】 ALL of our battery is CE,FCC,RoHS Certified .And have passed a series tests of short circuit, overheating, and overload protection before shipments for safety.
【AURUNHO After-sales】 We guarantee 30 days money-back and 12-month warranty; 24 x 7 email support. For any battery questions you fell free to contact us via "Your Orders" tab in your Amazon account, we will be glad to help you within 24 hours.