For those who missed out on the Amazon deal.
Long shelf life of up to 10 years; Low Self Discharge Rate
Wide range of operating temperatures (-30°C to +60°C)
This battery is compatible for long operating times and high voltage stability
ECO BENEFIT: Panasonic Coin Lithium Batteries have 0% Mercury Added
Suitable for Sound Bar Remote Controls, Car Remote Controls, Toys, Fobs, Calculators, Smart Home Devices
This is cheaper
https://www.ozbargain.com.au/node/824747