Can You Carry Rechargeable Batteries On A Plane. Answer 1 of 2. Some of the TSA guidelines for batteries in checked and carry-on luggage.
With airline approval devices can contain larger lithium ion batteries 101-160 watt hours per battery but spares of this size are limited to two batteries in carry-on baggage only. Up to 100 Wh. For example you could tape the on-off switch in the off position.
They may also need approval by airport authorities before you can fly with them.
If the battery is installed in a device it can be carried in either checked or carry-on baggage. Any spillable wet style of batteries are not allowed either. Car batteries cannot be carried as a carry-on or in checked baggage. A maximum of 2 spare batteries may be taken along.
