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The NEW Baintech 75Ah Battery is here! At just 12kg, and 50mm thick, the Baintech 75Ah Lithium Battery is perfect for your 4X4 12 Volt Dual Battery Set-up! Affordable, lightweight, compact, and with a huge 5-year warranty. Designed and assembled in Australia.

At just 12kg, the unique slimline shape makes it the perfect battery for installations where space is a premium. Slide it behind a seat, bolt it to a wall or at the back of a cupboard.

75Ah Slimline Lithium Battery battery provides up to 100A of continuous discharge or charge and can be stacked in parallel to increase amp hour storage capacity. Charge and discharge are via the two grey Anderson plugs. (Grey Anderson Plugs are rated up to 120A)  Note, an external fuse must be used.

The strong aluminum outer enclosure delivers a safe, lightweight and powerful unit which is the perfect building block for next generation battery systems.

75Ah Slimline Lithium Battery Features

  • Internal 100A BMS
  • Strong aluminum enclosure
  • Light weight
  • Slimline shape and size
  • Parallel connect capable
  • Designed in Australia
  • 5 Year Warranty


75Ah Slimline Lithium Battery Specifications

  • Capacity: 75Ah
  • Nominal Voltage: 12.8V
  • Charge Voltage: 14.6V max
  • Charge Current: 100A
  • Discharge Current: 100A max cont.   –   200A surge
  • DC-DC Charger: Not included
  • Operating Temp: 0-45oC
  • Weight: 12kg
  • Life at 80% DoD: 2,000 cycles
  • Life at 50% DoD: 5,000 cycles
  • Size (L x D x H): 635 x 265 x 50mm

Why our lithium batteries are superior to others in the market:

  • Massive 5 Year Warranty
  • Designed and assembled in Australia
  • Custom designed BMS System by engineers in Brisbane
  • The slimmest designs on the market; 75Ah and 110Ah Slim just 50mm thick
  • In-built DC-DC Charger capability available – unlike any lithium on the market
  • Constructed using the latest lithium iron phosphate cells
  • Local after-sales support

Why Lithium?

Lithium batteries provide more usable capacity than lead acid batteries. Deep discharging does not affect the life of a lithium battery the way it does with lead acid batteries. You can use the battery longer before needing to recharge, without damage to the battery.

Cost Effective Over Life Cycle

When considering the usable capacity and lifespan of lithium batteries, they work out cheaper than lead acid. When you add the cost and inconvenience of refitting new lead-based batteries every few years the total cost of ownership over the long term is far better with lithium batteries.

Longer life

Lithium batteries are rated for 2,000 – 5,000 cycles and much more if used carefully, giving you several times the life expectancy of standard lead acid batteries.


Lithium batteries allow you to pull far more amps out of the same size battery systems.


Lithium batteries are less than half the weight of the equivalent lead acid battery. Lithium batteries can be up to a third of the weight of the equivalent lead acid AGM battery. This is an important consideration for anybody who is mobile.

A 100Ah AGM deep cycle battery can be up to 38kg in weight, whereas the same size lithium battery can be less than 12kg in weight!

That means you can at least double or even triple the stored battery capacity on a RV, or alternatively use the reduction in battery weight to bring more water, or food or luggage on your trip.

Reducing weight in a RV helps to keep you under the tare weight, reduces aerodynamic drag which improves fuel efficiency while on the road.

Fast recharge

Lithium batteries charge more efficiently, and don’t require as many stages during charging. Therefore, they will charge faster, and hold more of the energy from solar panels and other charging device.



How do I charge my Baintech 75Ah Slimline Battery?

You can charge your battery in several ways:

  • AC Charger – lithium compatible with a modified Anderson connector
  • External DC-DC charger (Lithium compatible)
  • Solar Panel or Blanket – must be regulated


Which Battery Charger is suitable?

We recommend the Victron 7A IP65 – it has a dedicated lithium charging profile suited to the Baintech Lithium Batteries

Which DC-DC Charger can I use?

We recommend the CTEK D250S, lithium compatible DC-DC Charger

What can I run off my 75Ah Lithium Battery?

By utilising several of our Anderson Connector cables you can run a variety of 12V lights, your fridge, and accessories.

View the Anderson to Double Anderson Cable

View the Anderson to Ciga Cable

View the Anderson to Ciga Cable (Male)

Can I charge via my vehicle Ciga socket?

No, the SP 75Ah battery does not have an in-built DC-DC charger – you’ll need to charge via the methods listed above


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