Are You Allowed To Send Batteries In The Post. This document is for general guidance only and does not create any legally-enforceable rights or obligations. However because lithium batteries are potentially so dangerous you need to follow strict rules.
Wrap the device in plenty of bubble wrap. A lithium-ion battery must not exceed 20 Whcell or 100 Wh per batterypack see our FAQ for more information. We have assembled this illustrative guide to help you safely pack and ship many kinds of batteries.
Make sure the device is switched off.
Dangerous prohibited items. Except for mailpieces containing button cell batteries installed in equipment including circuit boards or no more than 4 lithium-ion cells or 2 lithium-ion batteries installed in the equipment they operate mailpieces containing lithium-ion batteries must bear a DOT-approved lithium battery mark as specified in 49 CFR 173185c3i and. The Post Office will ask you what you are sending when you take it as part of their new regulations so if they had any issues they would tell you at the counter. Make sure the device is switched off.
