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The 2015 Audi R8 e-tron electric supercar will have 340kW of power and a remarkable 920Nm of torque, sprint from 0-100km/h in 3.9 seconds and offer a range in excess of 450km.

The second-generation of Audi’s halo product and technological testing guinea pig thereby more than doubles the range over the original small-batch model, as laid down by Audi’s board member for technical development Ulrich Hackenberg, long a champion of the project.

This new version uses a multimaterial Audi Space Frame shared with the new V10 R8, made with carbonfibre-reinforced plastics (CFRP), incorporating corrugated boot walls to absorb energy in a rear-end collision.

For information on the the second-generation petrol-powered Audi R8 V10 also revealed tonight (pictured above), click here.

Under this is a large T-shaped battery structurally integrated into the centre tunnel and behind the occupant cell. Audi produces the high-voltage battery itself, for the first time based on a newly developed lithium-ion technology which was specially conceived for a “purely electric vehicle drive”.

In comparison to the first technology platform, the battery capacity has grown from 49 kWh to approximately 92 kWh. This progress was possible without changing the package. Energy density has been increased from 84 Wh/kg to 154 Wh/kg.

The electrically powered high-performance sports car also has a Combined Charging System (CCS) on board, which allows charging with direct and alternating current. Using this system, it is possible to fully charge the battery in significantly less than two hours on a fast-charger.

Top speed is restricted to 210km/h to conserve charge. Intelligent energy management and an electromechanical brake system enable high energy recuperation rates. There’s also a system for torque vectoring – the needs-based distribution of power between the rear wheels.

And yes, the hand-built R8 e-tron will be available for order in 2015. Stay posted for any Australian potential.

Note, we do not have images of the 2015 R8 e-tron yet. The picture at the top is the R8 V10 Plus.