We put the BLUETTI MultiCooler B70 portable fridge and battery pack to test on the sands of Fraser Island, in the weeks following the arrival of Tropical Cyclone Alfred.

Despite heavy rain, salt spray and no external power for over three days, it kept all our food and drinks ice-cold without a hitch. Secured only with ratchet straps on the tray of our LandCruiser 79 Series – on a lightweight plastic shell and with no canopy – the battery still lasted the full three days as promised. 

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Durable, lightweight build and portable design for off-road use

The cooler weighs 24kg and is built from moulded ABS plastic, which keeps the weight down while offering solid resistance to the elements. Its compact dimensions (710 x 420 x 475mm excluding wheels and draw bar) make it easy to fit on a tray or rooftop rack. 

The extendable handle and wheels make moving it around camp straightforward, though the grab handle is a bit short and tends to bang into your legs if you’re not paying attention. It’s designed with weekend warriors in mind, rather than permanent installation as a drawer fridge or bull-bar mount. The unit comes with a two-year warranty.

Fast, efficient cooling and ample storage capacity

With a total capacity between 40 and 55 litres (42L fridge, 9.5L freezer, and 6.3L battery compartment), the MultiCooler easily handles a weekend’s worth of food and drinks with room to spare. Its Huayi compressor and efficient cooling technology can drop the internal temperature from 30°C down to 0°C in just 15 minutes. It runs whisper-quiet at around 30dB when in fridge mode and under 45dB when making ice. The built-in ice maker produces clear, crystal-cube ice – a handy feature for those warm Aussie days.

Long-lasting LiFePO₄ battery and multiple charging options

The removable 716.8Wh LiFePO₄ battery connects in seconds and powers the fridge for up to three days without external input. Rated for over 3000 life cycles, it should handle many trips before showing wear. You can recharge the battery four ways: via AC power (up to 200W with adapter), solar panels (up to 200W), or other compatible power sources. The MultiCooler also has a 100W USB-C port and a 15W DC outlet to charge phones, lights or other small devices while you’re on the move. On Fraser Island, it ran nonstop for three days on battery alone, exactly matching the manufacturer’s claim.

User-friendly controls and handy remote app functionality

The control panel features a clear LCD display and simple up/down toggles that work well even with muddy gloves, though wet fingers can make it a bit fiddly to use. For extra convenience, the MultiCooler can be controlled remotely via the BLUETTI app, letting you adjust settings from around camp. The ice maker requires you to add your own water and pull the lid firmly to eject ice cubes, but it’s a useful addition for long days in the sun.

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Verdict: Reliable portable fridge and freezer for off-grid adventures

At just under $2000 for the fridge and battery pack, the BLUETTI MultiCooler B70 offers a genuinely portable and tough cooler/freezer/ice-maker combo. It’s not a luxury drawer fridge, and the plastic housing means it’s best suited to occasional campers and weekend warriors rather than permanent installs. 

Still, for surf trips, beach days and post-cyclone adventures, it delivers reliable cold storage that stands up to harsh Aussie conditions.

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