One of the first Nissan LEAF Battery Swap Under Warranty - USA

Here is an early 2011 Nissan LEAF adopter who lost some significant range on his battery pack: 9 bars and more than 70% left only at 47,000 miles
Nissan offers a swap for the newest 2015 pack version for free at his regular dealer in California





Source: Inside EVs 

Tesla introduces the Battery Swap

Elon Musk was on stage to present something new at Tesla : the Battery Swap, on a Model S



After the SuperCharger, this is the new idea from Tesla's CEO, and it is performed rather quickly because they did 2 swaps while a gas car was refilling :-)

More on TeslaMotors's website : http://www.teslamotors.com/batteryswap