We all travel with many gadgets. Our mobile phones, tablets, laptops and other mobile devices contain batteries, primarily a lithium battery. If not carried properly, lithium batteries can cause a fire in an air craft. Remember the exploding lithium batteries used in the new Dreamliner and the controversy it created for Boeing and travelers alike? Limitations for carrying a lithium battery on an air plane depend on its configuration, lithium content and its Watt-hour (Wh) rating. Small lithium batteries in cell phones, cameras, watches, portable music players, and laptop computers contain less than two grams of lithium and have less than 100 Wh life time. They are usually allowed in carry-on luggage. They can also be carried in checked-in luggage but many recommends not to do so. If you are…