The battery is produced according to the customer's request and it must be insulated before packing. Each battery is placed in specially-made blister tray, and the carton’s specification is 300*305*200mm. We generally do customs declaration in Shenzhen port and ship directly abroad from Hong Kong. Large cargo will usually be shipped by sea, and delivery time is about 28-30 days. It usually takes 5-7 days to ship the small cargo.