Tesla Motors demonstrated last night in L.A. swapping the battery pack of a Model S takes just 90 seconds.

[update] video added

Tesla Motors demonstrated last night in L.A. swapping the battery pack of a Model S takes just 90 seconds.

The company's CEO Elon Musk said battery swapping will be available before the end of the year, starting in California and then in the Boston – Washington D.C. corridor. Musk declared this service is going to cost roughly the same as 15 gallons of gas, but "it will be more convenient." He's right since the driver won’t even have to leave his car.

In addition, the Model S' owner can return to get his battery back (fully recharged) for the same price (around 60-80 USD). Tesla can deliver the battery swapped to owner's home for a "transport fee" which will be determined in the future. The owner also has the possibility of keeping the battery received on the first swap and if it's newer, Tesla will send a bill with the difference (also to be established). Needless to say, initial swap battery packs will be new but these will age over time which means getting an older or a newer one will vary.

Battery-swapping locations will cost Tesla approximately 500,000 USD each and will be near Supercharger stations. There's no need to reserve a battery as approximately 50 packs will be available at all times. If demand will increase, Tesla has promised to add more batteries.

Lastly, it's important to mention the Model S was developed right from the beginning with battery-swap capabilities so current owners will be able to "refill" their car in just 90s. 

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