Enerdrive 300Ah 12V B-TEC Slim Metal Case Lithium Battery

Yes, you can mount a slimline battery behind the rear seat of a dual cab ute. These batteries are specifically engineered for shallow spaces where a standard square battery would not fit. This is a common setup for popular Australian utes like the Hilux, Ranger, or D-Max, as it keeps your tray or canopy free for gear while putting the battery in a protected location.

Most slimline units are less than 110mm thick, which allows them to slide into the narrow gap behind the folding seat back. This setup keeps the weight central and low in the vehicle while protecting the battery from the elements and high engine bay temperatures.

To keep your storage topped up properly, explore our range of DCDC Chargers designed for modern vehicle alternators.

Lithium slimline batteries are safe to install inside a vehicle cabin because they do not release harmful gases during the charging or discharging process. Most modern lithium batteries use LiFePO4 chemistry, which is inherently stable and completely sealed. This makes them a much safer choice for internal storage compared to traditional flooded batteries that require external venting.

Because there is no risk of acid leaks or toxic fumes, you can install them behind seats or inside storage compartments without specialized ventilation. This gives you more flexibility in your build while keeping the cabin air clean for you and your passengers.

Check out our full range of 12V Batteries to compare lithium against other available chemistries.

There is typically no performance difference between a slimline lithium battery and a standard shaped unit. Both use the same internal cell technology and battery management systems. The only real difference is the physical layout of the cells, which are arranged in a long and thin configuration to fit tighter spaces without sacrificing storage capacity or discharge speed.

A 100Ah slimline battery will provide the same usable power as a 100Ah standard battery and can handle the same loads for your fridge, lights, or inverter. This means you can choose the shape that best fits your vehicle without worrying about losing any power or efficiency.

See your battery performance in real time by browsing our range of Battery Monitors.

Slimline batteries are available in higher capacities such as 200Ah. While the 100Ah or 110Ah models are the most common for fitting behind seats, the 200Ah slimline versions provide double the runtime for those with more demanding power needs like running an induction cooktop or a large upright fridge.

These higher capacity models are longer in size, so you must check your available width before choosing one for your build. While 300Ah slimline units are less common due to their physical length, a 200Ah unit is often the perfect solution for travelers who want maximum storage without losing valuable canopy space.

Explore our range of batteries to find the capacity that matches your off grid needs.