Safety tips when using lithium batteries during your flight.

Follow these safety tips when using lithium batteries during your flight.

• To prevent overheating, insert lithium-metal batteries correctly, according to the polarity marked on the battery and your electronic device.
• To prevent heat from building up, do not cover your device’s charger when in use.
• Do not let lithium batteries come into contact with metal objects, or mix with unpacked batteries, as this may cause them to short-circuit.
• Do not leave devices plugged into the charger for longer than necessary. Once fully charged, disconnect and turn the charger off.
• Do not place heavy objects on electronic devices or allow them to get wet.
• Do not leave lithium-ion batteries unattended while charging.
• Do not carry damaged or recalled batteries and equipment on-board