About Outbax

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

At Outbax, our team of 30+ staff are passionate about offering quality products at a low price.

Customer service is the core of our business. We have 12 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.

You can preorder this product. Dispatch: Jul 15th, 2022

Product highlights

Plus FREE SHIPPING on most items!

  • Now with 5 years Australian warranty
  • Slimline designed to fit where other batteries cant
  • Produces up to two times the usable power of a lead-acid battery
  • Can be fully charged in 2-4 hours
  • At just 10.4kg, it’s one-third of the weight of other batteries


Have a question? Ask our experts!

Product Details

Need big capacity but have limited space?

Introducing our 12V 100Ah VoltX Slim Lithium Battery. Our LiFePO4 Battery is supplied fully protected by a sophisticated specially designed lithium battery management system that constantly monitors every cell to ensure the battery is always optimized for best performance and life.

Unlike gel or lead-acid batteries, Lithuim battery is safer, lighter, and more powerful with a long service and shelf life comparing to all traditional lead acid batteries. No changing of systems, equipment or extensive re-wiring is required. You simply pull your old heavy batteries out (if your back allows it) and put the new lightweight LiFePO4 battery in. It's as easy as that.

This 12V 100Ah VoltX Slim Lithium Battery is the perfect drop-in upgrade for your existing old and heavy batteries, Invest in this sealed, maintenance-free battery for your off-grid system today!


  • Safest lithium battery technology
  • Lithium iron Phosphate Battery(LiFePO4)
  • Slimline designed to fit where other batteries cant
  • Eco-friendly
  • Multiple safety protection
  • Intelligent balancing function
  • 20 Years Designed service life
  • Best used for: Camping 4x4 and caravanning, emergency lighting equipment, fire alarm and security systems and portable power tools
VoltX 12V 100Ah Slim Lithium Battery Image 1 VoltX 12V 100Ah Slim Lithium Battery Image 2 VoltX 12V 100Ah Slim Lithium Battery Image 3 VoltX 12V 100Ah Slim Lithium Battery Image 4 VoltX 12V 100Ah Slim Lithium Battery Image 5

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Technical specs


Rated Voltage: 12.8V
Rated Capacity: 100Ah
Rated Energy: 1.28KWh
Maximum Charging Current: 100A
Maximum Discharging Current: 100A
Discharge Cut-off Voltage: 11.2V
Charging Voltage: 13.6~13.8V
Life Cycle (@25℃, 0.5C/0.25C, 80%DOD): Approx. 2800 Cycles
Internal Resistance Fully Charged@ 25℃ ≤ 10mΩ
Thermal Management: Nature cooling
Operating Temperature:  Charging: 0°C to 50°C
Discharging: -25°C to 65°C
Operating Humidity: 60±25%R.H.
Cell: 3.2V-100Ah
Cells Grouping: 4S1P
Bolt Type: Hexagon
Bolt Material: 304 Stainless Steel
Series Connection: Yes max 6 batteries
Parallel Connection: Yes max 6 batteries
Warranty: 5 years


Bolt Terminal Size: M8 (Ø16) x 2(H)mm
Dimensions: 395(L) x 110(W) x 293(H)mm
Weight: 10.4kg


1 x Lithium Battery




Can I place the battery under the bonnet?
What cables should I use to connect the batteries in series or parallel?
How do I maintain the life cycle of battery?
What charger can I use and how do I charge the battery?
Can I charge my battery away from mains power?
How often should I recharge my battery?
What's the best way to charge my battery?
What charge level should I charge my battery at?
How do I store the battery if I will not be using it for a long time?
What are the specs of the charger that I can use for these batteries?
Can these batteries be used for trolling motors?
What level of the battery affects its life-cycle?
Can it discharge 100% or needs to be left with 20%?
Do I need a battery balancer when running in series to 48V?
Can I connect our LiFePO4 batteries to AGM?
What percentage of the capacity is considered faulty after years of using the battery?
Can you use the battery to crank or jump start?
Does the battery have thermal runaway protection or thermal cutoff if the cells reach their max temperature?
Would there be gas emissions when the battery is charging and discharging? I want to put it below the dining seat which is near gas.
Can you please confirm if this is a deep cycle battery?

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.


  • Outbax offers a 60-month warranty on this VoltX Lithium Battery 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 be returned in its original condition.

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