HP have announced a voluntary safety recall and replacement program for certain laptops/notebooks sold between December 2015 and December 2017. These batteries may overheat posing a fire and burn hazard to customers. More information about which laptops are affected as well as a tool to check whether your laptop is affected can be found here:

We advise customers to run this tool as soon as possible. If your laptop is affected by this then you can either log a warranty call with HP directly on 13 10 47 or contact IT resourcing on 03 6364 3128.