Inverter Generators
Quiet. Portable. Powerful.
Promac’s inverter generators deliver clean, stable pure sine wave power in lightweight, ergonomic units — designed to serve everyone from caravanners to tradies and homeowners. With advanced noise reduction and robust output, they’re the best inverter generator Australia can get when you need reliable, quiet energy on demand.
Choose the right model for your power needs
|
Model |
Weight |
Rated Output |
Starting Output |
Ideal For |
|
2000W Inverter Generator |
18 kg |
1800 W |
2000 W |
Caravan air-cons, small tools, laptops. Light enough for utes and trailers |
|
3300W Inverter Generator |
21.5 kg |
3000 W |
3300 W |
Caravan air-con, site trade tools, mid-range appliances. Ideal for tradespeople needing a little extra power. |
|
4500W Inverter Generator |
40 kg |
4000 W |
4500 W |
Site work, backup power, caravan and RV installations. Built for heavy-duty site or off-grid use and house backup power. |
Advantages of Promac Inverter Generators
- Clean and Stable Power – Pure sine wave output, ideal for sensitive electronics like laptops, phones, fridges and air‑cons.
- Ultra Quiet Operation – Technologically optimised to run significantly quieter (as low as ~52 dB(A)), perfect for campsites and noise-sensitive environments like residential.
- Lightweight and Portable – Compact builds (18–40 kg) with built-in handles make transport effortless.
- Fuel Efficient – Advanced engines deliver longer runtime with minimal fuel, suitable for extended site or camping use.
- Regulation-Compliant – Euro V / proposed EPA-compliant engines ensure low emissions and legal operation
- Pure Sine Wave – Microprocessor-controlled inverter guarantees safe power flow without voltage surges.
- Reliable Warranty – Powered by robust Macht Engines, each unit includes a 3‑year engine warranty.
Why Promac's inverter generators stand out
- Engineered for harsh Australian conditions — lightweight, rugged and dependable.
- Advanced noise suppression keeps decibel levels nearly half that of traditional generators — great for campsites, residential, and site use
- Clean, safe power ideal for electronics — eliminating surges and spikes.
- Fuel economy and compliance with environmental standards reduce ongoing costs and ensure responsible operation.
- Backed by a 3‑year engine warranty and nationwide support network.
Shop Inverter Generators for Sale at Promac
Looking for inverter generators for sale that balance portability, quiet running and reliable power? Promac is your one-stop source. Whether you need the compact 2000W generator for weekend trips, the slightly more capable 3300W or the heavy-duty 4500W for demanding work, you’ll find it here.
We also offer accessories including service kits and engine oil to keep your unit running at peak performance.
Order Now or Find a Stockist
Explore our full Inverter Generator collection, or visit a Promac stockist near you for expert advice on load matching and sizing.
For more information about our generators and other products, check out our FAQs, warranty registration or feel free to contact us.
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