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About Outbax

We provide your camping and outdoor needs at consistently low prices,
without compromising quality.

At Outbax, our team of 60+ staff are passionate about offering quality products at a low price.

Customer service is the core of our business. We have 24 full-time customer service champions to answer all of your queries and you’ll never be caught unaware with our 60-day money back guarantee.

Selling fast. Hurry and order now to save 12%

Product highlights

$0 shipping costs using the code FREESHIPPING
Hurry! Promo ends 10/12/23 11:59pm AEDT

  • LiFePO4 battery with built-in BMS
  • Multiple battery protection features
  • Parallel-capable, Pure Sine Wave inverter generator
  • 8.8L petrol capacity for extended generator run time
  • Quiet generator operation at 58dB @ 7m


Have a question? Ask our experts!

Product Details

Save $230 when you buy our best-selling battery and generator!

Why settle for one when you can have 2 of our best-selling premium power equipment? Get our 12V 100Ah Battery & Gentrax 4.2kW Inverter Generator in one set and power up like a pro!

VoltX 12V 100Ah LiFePO4 Battery

The VoltX 12V 100Ah Lithium Battery is a best-seller for a reason. At 13.5kgs, this power pack can effortlessly power your gadgets, fridges, washers, and tools. It's also made up of grade-A prismatic cells coupled with a built-in battery management system for uninterrupted power you can rely on whether you're outdoors or dealing with a power outage.

Gentrax 4.2kW Inverter Generator

Dubbed our most versatile generator, this 4.2kW Gentrax unit has everything you could want in a portable power source. It’s fitted with wheels and an ergonomic handle for easy transport. There are multiple ports including dual AC ports for simultaneous charging of appliances. It also has a massive 8.8L petrol capacity for extended runtime and is parallel-capable for increased output when you need it.

Interested? You should be! Don’t miss this never-before offer and shop now!

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Technical specs


Model: 4000IE
Type: Inverter Generator
AC Voltage: 240V
Frequency: 50Hz
Max. Output: 4.2kw
Rated Output: 3.5kw
Power Factor: 1.0
DC Output: 12V/8.0A 5V/1A/2.1A (Option)
Noise Level: 58dB (7m)
Remote Control Range: 20-30m


Type: Air-cooled, 4 cycle, OHV, Petrol Engine
Bore x Stroke: 70 x 58mm
Engine Displacement: 223 cc
Max. Output: 4.2KW / 3800rpm
Fuel: 91 RON
Fuel Tank Capacity: 8.8 litres
Lubricating oil: SAE 10W30
Lubricating oil Capacity: 0.70 litre
Starting System: Recoil + Electrical Starter + Remote Starter
Ignition System: C.D.I.
Spark Plug Type: F7RTC(TORCH)
Rated Continuous Operation: 7.5 hrs


Nominal Voltage: 12.8V
Nominal Capacity: 100Ah
Charging Voltage: 14.2-14.6v
Rated Energy: 1280Wh
Charge Method: CC/CV
Charger: 14.6V 20A
Standard Charge Current: 50A
Max. Charging Current: 50A
Standard Discharge Current: 50A
Max. Continuous Discharge Current: 50A
Max. Discharge Current 5 sec: 100A
Approx Life Cycles: 4000
Working Temperature Range: Charge: 0°C to 45°C | Discharge: -25°C to 65°C
Storage Temperature: -10°C to 50°C
Battery Cells: Prismatic
Bolt Type: Hexagon
Bolt Material: Iron nickel-plated
Series Connection: No
Parallel Connection: No
Absorption Voltage: 14.4V
Float Voltage: 13.6V
Overcharge Protection: 14.4V
Overcharge Recovery: 14V
Overdischarge Protection: 10.8V
Overdischarge Recovery: 11.2V
Cell Grouping: 4S2P
Case Material: ABS Plastic


Dimensions: 610 x 415 x 495mm
Weight: 41.5 kg


Bolt Terminal Size (Length): M8 x 12mm
Bolt Terminal Perimeter: 25.12mm
Dimensions: 306(L) x 169(W) x 215(H)mm
Weight: 13.5kgs


1 x Generatory
1 x Lithium Battery
1 x Battery Charger Cable
1 x Funnel
1 x Cigarette Lighter Wiring Harness
1 x Spark Plug Socket
1 x Screwdriver
1 x Dust Cover
1 x User Manual 




Shipping and delivery

  • Your item will be shipped next business day.
  • On average, items are delivered between 3 to 7 business days following shipping around Australia.
  • Check out our shipping and delivery calculator above for more information.
  • We can't ship products to PO Boxes, Parcel Lockers or Post Offices. We need to have an actual address to proceed with the order.


  • Outbax offers a 12-month warranty on all products from the date of purchase unless otherwise stated. Outbax warrants its products against defects in materials and/or workmanship. This is further to your rights under Australian Consumer Law.
  • Outbax products come with a 60-day money-back guarantee. You must contact us within 60 days of receiving the product and it must return in its original condition.

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