USPS 国际包裹寄锂电池和电子产品的限制

有读者问：「杨老师你好，我想请问一下：单独的笔记本锂电池可以用 USPS 哪种运输方式运输回来？是海运还是陆运 ？一次可以运几块笔记本电池？」

答案：寄不了。一块都不行。参见 USPS 官网关于危险物品的限制。

Restricted Domestic Items

Lithium Batteries: For domestic mailings only, small consumer-type primary lithium cells or batteries (lithium metal or lithium alloy) like those used to power cameras and flashlights are mailable domestically under certain conditions.

小型普通消费级锂电池仅限于美国境内邮寄，并且有限制（更多信息参见这里）。大容量电池（比如电瓶车的电池），美国境内也寄不了，USPS/UPS/DHL 等都不行（我问过）。具体多大容量算「大」呢？参见这里。因为信息量较大，一般人估计也用不上，所以我就不整理了；如果真有这种特殊需求，直接拿去 USPS 问他们的工作人员可能更快。

Restricted International Items

Lithium Batteries: Only lithium cells and batteries that are properly installed in the equipment they are intended to operate may be sent internationally or to APO/FPO/DPO locations if not restricted or prohibited by the destination country. Lithium batteries packed with, but not installed in, equipment and lithium batteries sent separate from equipment are prohibited. Damaged or recalled batteries are prohibited and may not be mailed internationally under any circumstances.

对于国际包裹，只有恰当地安装在电子设备上的电池才可以邮寄；电池不能单独邮寄；哪怕是随电子设备一起打包、但是没有安装在电子设备上，也不能邮寄。所以，回到本文开头这位读者的问题：寄不了；一块都不行。

笔记本电脑可以寄吗？

一台笔记本、电脑正确安装，可以邮寄。偶尔有读者反映说 USPS 拒绝邮寄电脑，我怀疑只是个别工作人员不清楚规定，建议换一家邮局试试。我之前寄过很多次笔记本电脑，而且 USPS 官网也是这么说的：

Lithium-ion or Lithium Polymer (Rechargeable) Cells and Batteries

Small consumer-type lithium-ion or lithium polymer (rechargeable) cells and batteries like those used to power cell phones and laptop computers are mailable in a single shipment with the following restrictions（手机、笔记本的小型消费级锂电池可以邮寄）:

1. The batteries must be installed in the equipment they are intended to operate. 必须正确安装 。
2. Each shipment may contain a maximum of four lithium cells or two lithium batteries.  一个包裹最多两块电池。
3. The total Watt-hour rating (Wh) for each cell must not exceed 20 Wh per cell.
4. The total Wh for each battery must not exceed 100 Wh per battery. 单块电池最大容量不超过 100 Wh。联想官网出售的笔记本电池容量范围是 23.5~96 Wh，容量最大的是这块巨无霸、96 Wh。
5. Each battery must bear the Wh marking on the battery to determine if it is within the limits defined in 135.64c and 135.64d.
6. The batteries installed in the equipment must be protected from damage and short circuit . 正确安装。
7. The equipment must be equipped with an effective means of preventing it from inadvertently being turned on or activated. 正确安装。
8. The equipment must be contained in a strong, sealed package and cushioned to prevent movement or damage. 正确安装、使用 Lenovo 原始包装。
9. Mailpieces must not bear markings or labels identifying the contents as lithium batteries. 外包装不能有锂电池标志，参见本文后面的这条评论。

另可参见这篇文章：中美海关、USPS 等各路神仙退运包裹的规定和案例。

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