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iTechWorld RedBack RB4.5 4500W Portable Inverter Generator

Save $500.00
Original Price $1,999.00
Current Price $1,499.00

📦 FREE SHIPPING: We offer free shipping Australia-Wide for this product!

💸 PRICE MATCH GUARANTEE: Seen it cheaper from another Aussie store? We'll beat it.

♻️ EASY RETURNS: Shop risk-free with our 30-day easy returns policy!

📞 AFTER-HOURS CUSTOMER SUPPORT: Got questions outside 9-5? We're still here to help. Give us a call on 1800 849 711.

🇦🇺 AUSTRALIAN OWNED AND OPERATED: Real support. Real Aussies. Real products tested for our conditions.

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Meet the iTechWorld Redback RB4.5 4.5kVA Portable Inverter Generator – your powerful, ultra-quiet energy solution for caravanning, camping, and reliable home backup.

Tired of bulky, noisy, fuel-hungry generators holding you back? The iTechWorld Redback RB4.5 inverter generator changes the game. With 4500W peak power and advanced Electronically Fuel Injected (EFI) systems, it runs your caravan air conditioner, fridge, and sensitive electronics – all while using less fuel and producing fewer emissions than traditional carburetors.

Whether you’re off-grid in the outback, setting up in a quiet campsite, or keeping your appliances powered during an outage, the Redback RB4.5 portable inverter generator gives you dependable, whisper-quiet energy when you need it most.

Quiet, efficient, and built tough for Australian conditions, the Redback RB4.5 4500W Inverter Generator by iTechWorld delivers real freedom without compromise.

iTechWorld RB4.5 Portable Generator Key Features & Benefits:

• Powerful Performance – 4500W peak / 3500W continuous output, perfect for caravan air conditioners, campsite appliances, or home backup.

*All camping accessories and household appliances can run off the RB4.5 at the same time constantly if they draw a maximum of 3500 watts.

• Ultra-Quiet Operation – runs at just 54–59dB @ 7m, quieter than a normal conversation.

• Fuel Efficiency – advanced EFI system provides more runtime (over 6 hours on a 5.5L tank) with fewer emissions.

• Pure Sine Wave Inverter – clean, stable power for sensitive devices like laptops, TVs, and phones.

• Simple to Start – recoil, push-button, and remote start options make powering up easy.

• Built Tough for Australia – compliant with Australian EPA standards and designed for rugged conditions.

• Convenient & Ready to Use – comes with remote, battery charger, spark plug, oil hose, filter, and more.

• Trusted Brand – iTechWorld has powered Aussie adventurers since 2006.

• Peace of Mind – backed by a 12-month statutory warranty.

Why You’ll Love the iTechWorld RB4.5 Portable Inverter Generator

Redback RB4.5 Pure Sine Wave Inverter Technology

Keep your sensitive electronics safe with the Redback RB4.5 pure sine wave inverter, delivering clean, stable power without surges – perfect for laptops, phones, TVs, and even medical equipment.

The iTechWorld 4500W Inverter Generator is perfect for camping

No more restless hot nights in the caravan. The iTechWorld 4500W inverter generator has the grunt to run caravan air conditioners, lights, fridges, and chargers simultaneously, keeping you comfortable wherever you park.

Redback RB4.5 Fuel Efficiency and Runtime

With its 5.5L tank and EFI system, the iTechWorld 4.5kVA inverter generator runs for over 6 hours straight while consuming less fuel. Unlike traditional carburetors, which rely on mechanical components to mix fuel and air, EFI systems use electronic sensors and a computerised control unit to precisely regulate the fuel-to-air ratio, optimising performance, enhancing fuel efficiency, reducing emissions, and ensuring easier cold starts.

The iTechWorld RB4.5 is a quiet inverter generator

At just 54–59dB @ 7m, the iTechWorld RB4.5 is quieter than a conversation, so you can enjoy your surroundings without the constant drone of a traditional generator.

Experience the iTechWorld Redback Difference

• Before: Struggling with noisy, fuel-hungry generators that couldn’t run your caravan air conditioner or sensitive electronics.

• After: Enjoying quiet, fuel-efficient, and powerful energy from the iTechWorld Redback RB4.5 4.5kVA Portable Inverter Generator, giving you true freedom to travel and reliable backup power at home.

Don’t settle for less – power your adventures with the Redback RB4.5 today!

 

iTechWorld Redback 4500W Inverter Generator User Manual

iTechWorld Redback 4500W Inverter Generator User Manual

 

iTechWorld Redback 4.5kVA Portable Inverter Generator Package Contents

  • 1 x iTechworld Redback 4.5KVA Portable Inverter Generator
  • 1 x Programmed Stop/Start Remote
  • 1 x 12V DC Battery Charger
  • 1 x Spark Plug
  • 1 x Internal lithium battery charger
  • 1 x Maintenance schedule and log book
  • 1 x Screwdriver
  • 1 x Oil Refilling Hose
  • 1 x Air Cleaner Filter
  • 1 x Instruction manual

iTechWorld Redback RB4.5 Generator Specifications Summary

General
Engine type: Single-cylinder, four-stroke, air-cooled, overhead valve, tilted 25° off centre of the engine cylinder
Bore size x stroke: 65 x 48mm
Displacement: 159cc
Compression ratio: 8.5 ± 0.2
Gas distribution: OHV
Cooling mode: Forced convection
Output power: 4.8/4850 (kW/r/min)
Startup method: Recoil start/electric start
Fuel tank volume: 5.5L
Fuel type: Vehicle-grade unleaded petrol
Oil capacity 0.45L
Oil type: SAE 10W/30
Lubrication mode: Splash lubrication
Noise (@ 7m): 54-59dB
Rated power: 3.5kW
Maximum power: 4.5kW
Rated voltage: 240V
Rated frequency: 50Hz
Power factor: 1
Phase number: Single phase
DC output: 12V/8.3A
Outlets: 15A
Voltage regulation: Controller regulated
Frequency regulation: Controller regulated
Overall dimensions (LxWxH): 530 x 310 x 500mm
Net weight: 27.5kg
Description

Meet the iTechWorld Redback RB4.5 4.5kVA Portable Inverter Generator – your powerful, ultra-quiet energy solution for caravanning, camping, and reliable home backup.

Tired of bulky, noisy, fuel-hungry generators holding you back? The iTechWorld Redback RB4.5 inverter generator changes the game. With 4500W peak power and advanced Electronically Fuel Injected (EFI) systems, it runs your caravan air conditioner, fridge, and sensitive electronics – all while using less fuel and producing fewer emissions than traditional carburetors.

Whether you’re off-grid in the outback, setting up in a quiet campsite, or keeping your appliances powered during an outage, the Redback RB4.5 portable inverter generator gives you dependable, whisper-quiet energy when you need it most.

Quiet, efficient, and built tough for Australian conditions, the Redback RB4.5 4500W Inverter Generator by iTechWorld delivers real freedom without compromise.

iTechWorld RB4.5 Portable Generator Key Features & Benefits:

• Powerful Performance – 4500W peak / 3500W continuous output, perfect for caravan air conditioners, campsite appliances, or home backup.

*All camping accessories and household appliances can run off the RB4.5 at the same time constantly if they draw a maximum of 3500 watts.

• Ultra-Quiet Operation – runs at just 54–59dB @ 7m, quieter than a normal conversation.

• Fuel Efficiency – advanced EFI system provides more runtime (over 6 hours on a 5.5L tank) with fewer emissions.

• Pure Sine Wave Inverter – clean, stable power for sensitive devices like laptops, TVs, and phones.

• Simple to Start – recoil, push-button, and remote start options make powering up easy.

• Built Tough for Australia – compliant with Australian EPA standards and designed for rugged conditions.

• Convenient & Ready to Use – comes with remote, battery charger, spark plug, oil hose, filter, and more.

• Trusted Brand – iTechWorld has powered Aussie adventurers since 2006.

• Peace of Mind – backed by a 12-month statutory warranty.

Why You’ll Love the iTechWorld RB4.5 Portable Inverter Generator

Redback RB4.5 Pure Sine Wave Inverter Technology

Keep your sensitive electronics safe with the Redback RB4.5 pure sine wave inverter, delivering clean, stable power without surges – perfect for laptops, phones, TVs, and even medical equipment.

The iTechWorld 4500W Inverter Generator is perfect for camping

No more restless hot nights in the caravan. The iTechWorld 4500W inverter generator has the grunt to run caravan air conditioners, lights, fridges, and chargers simultaneously, keeping you comfortable wherever you park.

Redback RB4.5 Fuel Efficiency and Runtime

With its 5.5L tank and EFI system, the iTechWorld 4.5kVA inverter generator runs for over 6 hours straight while consuming less fuel. Unlike traditional carburetors, which rely on mechanical components to mix fuel and air, EFI systems use electronic sensors and a computerised control unit to precisely regulate the fuel-to-air ratio, optimising performance, enhancing fuel efficiency, reducing emissions, and ensuring easier cold starts.

The iTechWorld RB4.5 is a quiet inverter generator

At just 54–59dB @ 7m, the iTechWorld RB4.5 is quieter than a conversation, so you can enjoy your surroundings without the constant drone of a traditional generator.

Experience the iTechWorld Redback Difference

• Before: Struggling with noisy, fuel-hungry generators that couldn’t run your caravan air conditioner or sensitive electronics.

• After: Enjoying quiet, fuel-efficient, and powerful energy from the iTechWorld Redback RB4.5 4.5kVA Portable Inverter Generator, giving you true freedom to travel and reliable backup power at home.

Don’t settle for less – power your adventures with the Redback RB4.5 today!

 

iTechWorld Redback 4500W Inverter Generator User Manual

iTechWorld Redback 4500W Inverter Generator User Manual

 

iTechWorld Redback 4.5kVA Portable Inverter Generator Package Contents

  • 1 x iTechworld Redback 4.5KVA Portable Inverter Generator
  • 1 x Programmed Stop/Start Remote
  • 1 x 12V DC Battery Charger
  • 1 x Spark Plug
  • 1 x Internal lithium battery charger
  • 1 x Maintenance schedule and log book
  • 1 x Screwdriver
  • 1 x Oil Refilling Hose
  • 1 x Air Cleaner Filter
  • 1 x Instruction manual

iTechWorld Redback RB4.5 Generator Specifications Summary

General
Engine type: Single-cylinder, four-stroke, air-cooled, overhead valve, tilted 25° off centre of the engine cylinder
Bore size x stroke: 65 x 48mm
Displacement: 159cc
Compression ratio: 8.5 ± 0.2
Gas distribution: OHV
Cooling mode: Forced convection
Output power: 4.8/4850 (kW/r/min)
Startup method: Recoil start/electric start
Fuel tank volume: 5.5L
Fuel type: Vehicle-grade unleaded petrol
Oil capacity 0.45L
Oil type: SAE 10W/30
Lubrication mode: Splash lubrication
Noise (@ 7m): 54-59dB
Rated power: 3.5kW
Maximum power: 4.5kW
Rated voltage: 240V
Rated frequency: 50Hz
Power factor: 1
Phase number: Single phase
DC output: 12V/8.3A
Outlets: 15A
Voltage regulation: Controller regulated
Frequency regulation: Controller regulated
Overall dimensions (LxWxH): 530 x 310 x 500mm
Net weight: 27.5kg
Free Shipping

WE OFFER FREE SHIPPING AUSTRALIA-WIDE FOR THIS PRODUCT!!

We know how important it is to receive your order quickly and without hassle, especially for high-value and essential off-grid products. That’s why we work with trusted freight and courier partners to ensure your order gets to you safely and promptly, no matter where you are in Australia.

We don't want to mess around with fine print and extra charges, we like things to be simple and easy. 

Want to know about our Returns Policy? Read more here.

Order Confirmation:

As soon as you place your order you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorised your credit card for the purchase.  

As soon as we receive your order we automatically check to confirm that your order is in stock and available for immediate shipment.  If your item is on back-order or unavailable we will void the pre-authorisation and reach out to you via e-mail to see if alternate arrangements can be made.  

If your item(s) are available for immediate shipment (within 5 business days) we will process the charges and get to work preparing your order for shipment.

Order Shipment:

If your order is in stock and we process the charges to your credit card it will ship within three business days from the date of your order.  

We will send you shipping confirmation within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  

If you do not receive shipping confirmation from us within four business days of your order feel free to follow up with us at info@homesteadhaven.com.au.

International Orders:

Please be aware that our products are made specifically for the Australian market. This means that relevant items require a 240V electrical system to function correctly. 

Our products have generally not been certified for use with other countries electrical safety standards but all of our products are certified to Australian standards.

We will happily ship our fantastic products to international customers. Due to the extremely wide variety of product dimensions we will provide an up to date shipping price quote for you on request.

If you are happy with our shipping quote we will prepare an order and payment through our ultra secure online payment gateway.

Damages:

Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery or do not agree to accept the delivery.

If you do accept delivery you are required to immediately take photos using your smart phone or camera of the damaged packaging or products inside the packaging. 

If your item(s) do arrived damaged please send photos to info@homesteadhaven.com.au, then visit our Returns page and lodge your return claim online.

Why Buy From Us

We get it - there are plenty of options when it comes to buying sustainable and off-grid living products online. So why choose HomesteadHaven?

Because we don’t just sell these products - we live the lifestyle ourselves. We understand what works, what lasts, and what makes self-sufficiency easier.

We pride ourselves on our top-notch customer service. If you have any questions at all, please reach out to us directly on 1800 849 711 or info@homesteadhaven.com.au and we will come up with a tailor made solution for your needs. 

Here's What Sets Us Apart

  • Best Shipping Prices Guaranteed – Contact us directly on 1800 849 711 or info@homesteadhaven.com.au with your desired order and location and we will work with our partners to ensure you are getting the very best shipping quote for your purchase. 
  • Price Match Guarantee – Found a lower price elsewhere? We’ll match it.
  • 30-Day Easy Returns – Not happy with your purchase? We’ll take it back, no questions asked.
  • Satisfaction Guaranteed – We carefully select high-quality, reliable products. If something’s not right, we’ll make it right.

At HomesteadHaven, we’re more than just a store - we’re a trusted partner on your journey to sustainability and self-sufficiency.

Description

Meet the iTechWorld Redback RB4.5 4.5kVA Portable Inverter Generator – your powerful, ultra-quiet energy solution for caravanning, camping, and reliable home backup.

Tired of bulky, noisy, fuel-hungry generators holding you back? The iTechWorld Redback RB4.5 inverter generator changes the game. With 4500W peak power and advanced Electronically Fuel Injected (EFI) systems, it runs your caravan air conditioner, fridge, and sensitive electronics – all while using less fuel and producing fewer emissions than traditional carburetors.

Whether you’re off-grid in the outback, setting up in a quiet campsite, or keeping your appliances powered during an outage, the Redback RB4.5 portable inverter generator gives you dependable, whisper-quiet energy when you need it most.

Quiet, efficient, and built tough for Australian conditions, the Redback RB4.5 4500W Inverter Generator by iTechWorld delivers real freedom without compromise.

iTechWorld RB4.5 Portable Generator Key Features & Benefits:

• Powerful Performance – 4500W peak / 3500W continuous output, perfect for caravan air conditioners, campsite appliances, or home backup.

*All camping accessories and household appliances can run off the RB4.5 at the same time constantly if they draw a maximum of 3500 watts.

• Ultra-Quiet Operation – runs at just 54–59dB @ 7m, quieter than a normal conversation.

• Fuel Efficiency – advanced EFI system provides more runtime (over 6 hours on a 5.5L tank) with fewer emissions.

• Pure Sine Wave Inverter – clean, stable power for sensitive devices like laptops, TVs, and phones.

• Simple to Start – recoil, push-button, and remote start options make powering up easy.

• Built Tough for Australia – compliant with Australian EPA standards and designed for rugged conditions.

• Convenient & Ready to Use – comes with remote, battery charger, spark plug, oil hose, filter, and more.

• Trusted Brand – iTechWorld has powered Aussie adventurers since 2006.

• Peace of Mind – backed by a 12-month statutory warranty.

Why You’ll Love the iTechWorld RB4.5 Portable Inverter Generator

Redback RB4.5 Pure Sine Wave Inverter Technology

Keep your sensitive electronics safe with the Redback RB4.5 pure sine wave inverter, delivering clean, stable power without surges – perfect for laptops, phones, TVs, and even medical equipment.

The iTechWorld 4500W Inverter Generator is perfect for camping

No more restless hot nights in the caravan. The iTechWorld 4500W inverter generator has the grunt to run caravan air conditioners, lights, fridges, and chargers simultaneously, keeping you comfortable wherever you park.

Redback RB4.5 Fuel Efficiency and Runtime

With its 5.5L tank and EFI system, the iTechWorld 4.5kVA inverter generator runs for over 6 hours straight while consuming less fuel. Unlike traditional carburetors, which rely on mechanical components to mix fuel and air, EFI systems use electronic sensors and a computerised control unit to precisely regulate the fuel-to-air ratio, optimising performance, enhancing fuel efficiency, reducing emissions, and ensuring easier cold starts.

The iTechWorld RB4.5 is a quiet inverter generator

At just 54–59dB @ 7m, the iTechWorld RB4.5 is quieter than a conversation, so you can enjoy your surroundings without the constant drone of a traditional generator.

Experience the iTechWorld Redback Difference

• Before: Struggling with noisy, fuel-hungry generators that couldn’t run your caravan air conditioner or sensitive electronics.

• After: Enjoying quiet, fuel-efficient, and powerful energy from the iTechWorld Redback RB4.5 4.5kVA Portable Inverter Generator, giving you true freedom to travel and reliable backup power at home.

Don’t settle for less – power your adventures with the Redback RB4.5 today!

 

iTechWorld Redback 4500W Inverter Generator User Manual

iTechWorld Redback 4500W Inverter Generator User Manual

 

iTechWorld Redback 4.5kVA Portable Inverter Generator Package Contents

  • 1 x iTechworld Redback 4.5KVA Portable Inverter Generator
  • 1 x Programmed Stop/Start Remote
  • 1 x 12V DC Battery Charger
  • 1 x Spark Plug
  • 1 x Internal lithium battery charger
  • 1 x Maintenance schedule and log book
  • 1 x Screwdriver
  • 1 x Oil Refilling Hose
  • 1 x Air Cleaner Filter
  • 1 x Instruction manual

iTechWorld Redback RB4.5 Generator Specifications Summary

General
Engine type: Single-cylinder, four-stroke, air-cooled, overhead valve, tilted 25° off centre of the engine cylinder
Bore size x stroke: 65 x 48mm
Displacement: 159cc
Compression ratio: 8.5 ± 0.2
Gas distribution: OHV
Cooling mode: Forced convection
Output power: 4.8/4850 (kW/r/min)
Startup method: Recoil start/electric start
Fuel tank volume: 5.5L
Fuel type: Vehicle-grade unleaded petrol
Oil capacity 0.45L
Oil type: SAE 10W/30
Lubrication mode: Splash lubrication
Noise (@ 7m): 54-59dB
Rated power: 3.5kW
Maximum power: 4.5kW
Rated voltage: 240V
Rated frequency: 50Hz
Power factor: 1
Phase number: Single phase
DC output: 12V/8.3A
Outlets: 15A
Voltage regulation: Controller regulated
Frequency regulation: Controller regulated
Overall dimensions (LxWxH): 530 x 310 x 500mm
Net weight: 27.5kg
Free Shipping

WE OFFER FREE SHIPPING AUSTRALIA-WIDE FOR THIS PRODUCT!!

We know how important it is to receive your order quickly and without hassle, especially for high-value and essential off-grid products. That’s why we work with trusted freight and courier partners to ensure your order gets to you safely and promptly, no matter where you are in Australia.

We don't want to mess around with fine print and extra charges, we like things to be simple and easy. 

Want to know about our Returns Policy? Read more here.

Order Confirmation:

As soon as you place your order you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorised your credit card for the purchase.  

As soon as we receive your order we automatically check to confirm that your order is in stock and available for immediate shipment.  If your item is on back-order or unavailable we will void the pre-authorisation and reach out to you via e-mail to see if alternate arrangements can be made.  

If your item(s) are available for immediate shipment (within 5 business days) we will process the charges and get to work preparing your order for shipment.

Order Shipment:

If your order is in stock and we process the charges to your credit card it will ship within three business days from the date of your order.  

We will send you shipping confirmation within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  

If you do not receive shipping confirmation from us within four business days of your order feel free to follow up with us at info@homesteadhaven.com.au.

International Orders:

Please be aware that our products are made specifically for the Australian market. This means that relevant items require a 240V electrical system to function correctly. 

Our products have generally not been certified for use with other countries electrical safety standards but all of our products are certified to Australian standards.

We will happily ship our fantastic products to international customers. Due to the extremely wide variety of product dimensions we will provide an up to date shipping price quote for you on request.

If you are happy with our shipping quote we will prepare an order and payment through our ultra secure online payment gateway.

Damages:

Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery or do not agree to accept the delivery.

If you do accept delivery you are required to immediately take photos using your smart phone or camera of the damaged packaging or products inside the packaging. 

If your item(s) do arrived damaged please send photos to info@homesteadhaven.com.au, then visit our Returns page and lodge your return claim online.

Why Buy From Us

We get it - there are plenty of options when it comes to buying sustainable and off-grid living products online. So why choose HomesteadHaven?

Because we don’t just sell these products - we live the lifestyle ourselves. We understand what works, what lasts, and what makes self-sufficiency easier.

We pride ourselves on our top-notch customer service. If you have any questions at all, please reach out to us directly on 1800 849 711 or info@homesteadhaven.com.au and we will come up with a tailor made solution for your needs. 

Here's What Sets Us Apart

  • Best Shipping Prices Guaranteed – Contact us directly on 1800 849 711 or info@homesteadhaven.com.au with your desired order and location and we will work with our partners to ensure you are getting the very best shipping quote for your purchase. 
  • Price Match Guarantee – Found a lower price elsewhere? We’ll match it.
  • 30-Day Easy Returns – Not happy with your purchase? We’ll take it back, no questions asked.
  • Satisfaction Guaranteed – We carefully select high-quality, reliable products. If something’s not right, we’ll make it right.

At HomesteadHaven, we’re more than just a store - we’re a trusted partner on your journey to sustainability and self-sufficiency.