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BMW i3 electric car

Adafruit 1871

BMW i3 electric car – Autoblog.

The Drive Module, a 100-percent aluminum chassis mounted under the Life Module, houses everything that makes the i3 go. It includes the 22-kilowatt, 450-pound lithium ion battery mounted as centrally as possible, and provides power to a rear-mounted electric motor that turns the rear wheels. With 170 horsepower and 184 pound-feet of torque from zero rpm, the single-gear i3 can accelerate from 0-30 miles per hour in 3.5 seconds and 0-60 mph in about 7.0 seconds, but it has a top speed of only 93 mph. BMW says the i3 has a real-world EV range of 80-100 miles, and the standard charger can fill the battery in three hours. Opt for the SAE DC Combo Fast Charger and 30 minutes is all it takes for a full charge; 20 minutes will bump the battery to 80 percent. For customers who have range anxiety, BMW gives them the option to install a 34-hp, 650cc two-cylinder generator as a range extender for the electric drive system.

Previously if we recall correctly BMW was going to move towards fuel cells.


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1 Comment

  1. Funny, I wouldn’t expect to see a battery rated in Kilowatts. All that would tell me is, perhaps, how quickly it could deliver energy to the motor.

    I think people (at least those who understand how to measure electrical energy, anyway) would be more interested in knowing the energy capacity of the battery.

    Kilowatt-hours is the dimensionally correct unit for that, as would be Joules.

    Capacity can be inferred from an Amp-hour rating if the battery voltage is known.

    I wish people would be more careful with things like that. I certainly didn’t expect that kind of gaffe from BMW.

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