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The showmanship at the press reveal of the E-Tron, Audi’s very own electric SUV, would give even Nicholas Tesla goosebumps. A 500 kV spark was applied on the roof of the e-Tron to bring it to life. There was not a single burn sign on the SUV!! A jaw-dropping unveiling would be an understatement on our part. Slated for an August launch, the e-Tron was unveiled at Siemens heavy-duty electrical engineering test center in Berlin. The test center would even make Dr. Frankenstein proud.
The production version of the e-Tron electric SUV will be powered by a two-motor powertrain, 95 kWh lithium-ion battery. Audi claims that the e-Tron is the world-first 150 kW DC fast-charging SUV. Charging time would be faster than the Tesla Supercharger network.
The German Automobile manufacturer is tight-lipped on the power output of each e-Tron motor. However, there are reports that the motors would churn out a maximum of 160 bhp – equivalent to around 120kW — to give a total peak output of around 315hp or 240kW.
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Treading on the same lines as Quattro, Audi’s first sports model, the first electric SUV from the Ingolstadt based German automobile maker would be simply christened as the Audi e-Tron.
The 700kg battery pack!!
Yes, you read it right… The e-Tron's production lithium-ion weighs 700 Kg. The battery pack is an engineering feat that deserves an applause. Mounted on an aluminum frame, the battery pack is placed between the between the front and rear axles. This placement renders it a minimum center of gravity and maximum protection from accidents. The battery pack will comprise of pouch-type cells, all packed into 36 shoe-box sized models. 12 pouches are grouped in A single LG Chem or Samsung supplied module. The modules are rated 60Ah. The power rating is higher than that of other electric SUV from Nissan and Tesla. A flat main casing will house most of the modules. Though some modules will be placed in a supplementary ‘saddle’ casing above the main battery and under the rear seat.
The Cooling System
The cooling system of the e-Tron deserves a special mention. The water-based ‘lattice’ cooling system is placed beneath the modules to facilitate maximum heat transfer via a conventional, front-mounted radiator. If this is not enough, the e-Tron has a supplementary heat-pump system with a plate heat exchanger. The air con system ensures battery efficiency by maintaining optimum operating range of 25-35 deg c in extreme climates.
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The e-Tron will have AC charging rated at 11kW. Potential buyers can also opt for a 22kW charger. In case you want a long drive on your weekends the 150 kW DC fast-charger boasts of filling the battery to 80 percent capacity in 30 minutes. It will be based on the IONITY rapid-charge network being set up by a consortium of Europe’s car-makers. The e-Tron will have a full charge range of 250 miles.
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