Jaycar is currently selling a 2kw pure sine-wave inverter on special here for $399: https://www.jaycar.com.au/2000-watt-12vdc-to-230vac-pure-sin…. Which seems to be quite a good price.
They're also selling the same inverter via their eBay online store, which gives you free delivery, plus you can get cash-back and you can try your luck with any of the ebay coupons https://www.ozbargain.com.au/deals/ebay.com.au to get a further few dollars off.
While stocks last. Specs below:
Output Wave Pure sinewave
Standby Current 1.2A
Thermal Shutdown Temperature 75°C
Low Battery Shutdown 10V
High Battery Shutdown 15V
Output Frequency 50Hz
Output Regulation 3%
Includes USB Charge Port Yes
USB Current Rating 2.1A
-Power Conversion and Transformation-
Type of converter or transformer inverter
Power Rating
Continuous Power 2000W
Maximum Power 4000W
Vehicle or Vessel Powered
-Item Connection Screw Terminals-
Current Draw 165A
Lead Included
Required Voltage 12V
Product Dimensions
Depth 92mm
Weight 4.65kg
Length 320mm
Width 220mm
Warranty: 12 Months
I prefer a Cos Wave Inverter.
But it doesn't phase me…