This is the hot topic on pilot chat sites ATM because the accident report on a UPS 747 which crashed after a pallet of Li oin batteries caught fire has been released. Then there was the Ethiopian 787 fire on the tarmac at Heathrow and the on-going problems with the 787's batteries.
Here's a vid on laptop fires that is a real eye-opener:
http://www.youtube.com/watch?v=vS6KA_Si-m8&feature=youtu.be
