Dangerous goods can also be sent. \x0d\ Most domestic express delivery companies refuse to consign the goods, because there are corrosive liquids in them, which are dangerous goods. You should find DHL Logistics, FEDEX and other foreign courier companies to consign dangerous goods. \ x0d \ x0d \ Requirements for express delivery of battery goods: \x0d\ 1. Packaging: Each battery needs to be packaged independently, and it must be packaged in a single (square or rectangular) small carton or completely sealed insulating packaging material (plastic bag). The inner packaging is not allowed to be wrapped in paper and paper; \x0d\2。 Weight limitation: the single piece of built-in battery and supporting battery cannot exceed 5KG, and the corresponding products must be packed in the same box with supporting battery; If the product is packed in a box with batteries, it shall be treated as pure batteries, and the weight of a single pure battery shall not exceed 2.5KG. \ x0d \ 3. Power requirements: the power of lithium-ion battery shall not exceed 20WH, and the power of lithium-ion battery shall not exceed 100WH (current AH* voltage v, 1ah= 1000mah), which is unacceptable for super-large batteries; \x0d\4。 Only lithium-ion batteries such as notebook batteries, camera batteries and mobile phone batteries are accepted. Do not accept other batteries. \x0d\5。 There can be no more than two kinds (including two kinds) of volt batteries in one ticket of battery goods, and only one kind of volt battery is allowed;