claimed as the first car manufacturer in the world to use lithium-ion battery for the engine. These batteries weigh about 6 kg or 10 kg lighter than conventional batteries, lead a capacity of 60Ah.
The battery will be used as an option on the Porsche 911 GT3, GT 911 and Boxster RS Spyder started in January 2010. The price, in Germany, 1904 euros (USD 27,008,240), including value added tax 19 percent.
Fast Charging
The main reason for Porsche to use lithium-ion batteries are light weight. With this, can make the Porsche Boxster Spyder 911GT3 and used in the circuit can be more ngacir again.
The length and width of the lithium-ion batteries are the same as Porsche ordinary battery, only the lower 70 mm. Electrical cable wiring can be done quickly, like a conventional battery.
Nominal capacity of 18Ah. Yet the same performance with conventional batteries 60 Ah. Even superior in many ways. For example, if the battery can be charged hitamhanya tin 30 per cent of its total capacity, lithium is close to 100 percent.
Charging can also be done quickly because of low internal resistance. Another advantage, the resulting energy is greater. Frequency of charging cycles and use more often, not easy Soak plus a longer wear life.
Lithium-ion battery is made of Porsche carbon and iron plates with ceramic fospat. Compared to other lithium-ion battery that uses manganese oxide and cobalt oxide, lithium-iron fospat able to maintain a fixed voltage at 12 volt electrical system-wide network of car.
This battery consists of four cells, equipped with electronic controls to prevent rapid Soak and each cell can be filled evenly.
If Soak, a signal will appear, reminding drivers to mengecasnya back. To mengecas, can with the engine or using a special charger.
This battery is also provided for the Porsche 911 GT3, GT 911 and Boxster RS Spyder Retrofitting began in February 2010. But higher prices, ie 2400 euros or USD 35,478,303
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