Air Caraibes モバイルバッテリー飛行ポリシー。

短い回答

Air Caraibes is tracked from its official lithium devices and batteries page: external batteries are treated as spare batteries, spare lithium batteries and external batteries must be carried in cabin baggage only and are not allowed in checked/hold baggage, must be protected from short circuits, are normally limited to 100 Wh, and 100-160 Wh spare lithium batteries are limited to two in carry-on baggage only with company agreement.