It was in 2010 that Porsche first announced plans for an all-electric car, which it followed up a year a later by rolling out a battery-powered prototype based on its Boxster sports car. Since then, Porsche has been testing the waters for electrified performance cars, starting initially with hybrids and more recently moving into plug-in hybrids. According to a new report out of Germany, Porsche’s next major move in the area of electrified vehicles will see it come out with a battery-powered model.

The information was reported by Manager Magazin, citing industry sources. The battery-powered model is said to be based on a new mid-size sedan to be launched towards the end of the decade. Nicknamed the Pajun, short for Panamera junior, the mid-size sedan is being developed as a rival for the Maserati Ghibli and high-end versions of the BMW 5-Series and Mercedes-Benz E-Class, and in all-electric guise would challenge Tesla Motors' [NSDQ:TSLA] Model S and upcoming Model 3.

The new report also claims that fellow German automakers Audi and Mercedes-Benz are also planning all-electric Tesla rivals of their own. Audi is thought to be planning a battery-powered SUV to take on the upcoming Model X while Mercedes is thought to be looking at a Model S-style battery-powered sedan.

As for the Pajun, it’s likely to debut in gasoline and diesel guises, with the battery version to arrive later. The vehicle is expected to ride on a shortened version of the MSB platform, which debuts in the next-generation Panamera, and could be on the market by 2018 or 2019. Thanks to lightweight construction, battery-powered versions of the Pajun should be considerably lighter than the Model S, which weighs 4,647 pounds.

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