ANTIEE PromiseEveryone of our replacement batteries has tested with strict quality control standards to ensure the true capacity, stable current and low self-discharge. All ANTIEE batteries are UL / CE / FCC / RoHS Certified for safety, we are confident in the performance of the replacement battery. ANTIEE After-salesWe support 12 months of warranty, 24 x 7 email support. As you begin to use the product, any questions you can contact with us via "Your Orders" tab in your account, we will respond within 24 hours. ANTIEE After-salesWe support 12 months of warranty, 24 x 7 email support. As you begin to use the product, any questions you can contact with us via "Your Orders" tab in your account, we will respond within 24 hours.