Spotted these bargain Ozito battery deals in Bunnings today.
18V 4.0Ah Twin Battery Pack - $79.00 (I/N: 0480855)
18V 2.5Ah Battery + Fast Charger - $30 (I/N: 0501102)
Compatible with the Ozito PXC range.
Showing in the PowerPass app but not on the Bunnings website so far.
Similar deal over in Aussie
https://www.ozbargain.com.au/node/809478