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The usable battery capacity of a first-generation electric vehicle, such as the original Nissan Leaf, was about 20kWh, giving it a range of about . Tesla was the first company to introduce longer-range vehicles, initially releasing their Model S with battery capacities of 40kWh, 60kWh and 85kWh, with the latter lasting for about . Plug-in hybrid vehicles typically have capacity of roughly 3 to 20kWh, lasting for 20 to 80 kilometers (15 to 50 miles).