Tag - custom nimh battery packs

Can all my devices fly with me even if they have custom lithium ion batteries packs?

We know that lithium battery manufacturers have safety protocols for their products, and wanting to transport you, they want these to be followed at all times. It is known that a Lithium Battery Packs manufacturer has a boat as its main transport, because the batches of Custom Lithium Battery Packs can have a percentage of [...]