2. What’s the warranty in your company? We offer warranty for 1 Year if there is some problems of quality. Except the man-made damage. 3. What’s the shipping for goods? by express like DHL, UPS, FedEx,TNT and EMS. If customer has shipping agency, we can send goods to the address you provided. 4. How long goods can be received? Customer will received goods within 3-7 days. by express, 8-12 days by other shipment. 5. How to deal with the returns? No need send back, after checking, we will resend new batteries with new order.. 6. How to buy? Contact the sales and ask questions.