| http://www.w3.org/ns/prov#value | - First commercialized by Sony in 1991, lithium-ion batteries are widely used in consumer electronics such as laptops and cellphones but are relatively new in cars.Tesla Motors assembled more than 6,800 lithium-ion cells into a massive 990-pound battery pack for its $109,000 Tesla Roadster ??? an engineering feat that created the largest lithium-ion pack in the world, with a range of 245 miles.Tesla
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