KLM Twitterissä: "@C04220053 In case the powerbank has separate batteries, these must be individually protected inside the hand luggage to prevent a short circuit." / Twitter
KLM on Twitter: "@ComfortTravelle Hello! Lithium ion batteries are allowed in your hand luggage only. >" / Twitter
100 airline drone policies in review, can I bring my drone on a plane?
AIR FRANCE KLM MARTINAIR Cargo - Lithium batteries