|General Motors Brownstown Battery Assembly Plant worker Tina Oaks attaches wiring harnesses on a Spark EV battery pack. Click to enlarge.|
General Motors will bring all its electric vehicle battery pack building capabilities in-house with production of battery systems for the 2015 Chevrolet Spark EV at its expanded battery assembly plant in Brownstown, Mich.
A newly designed battery system features an overall storage capacity of 19 kWh and uses 192 lithium ion cells. The cells are produced at LG Chem’s plant in Holland, Mich. The battery system weight of 474 lbs (215 kg)—86 pounds (39 kg) lighter than the system in the 2014 Spark EV. The Spark EV battery is built on a dedicated production line at Brownstown, which also manufactures complete battery packs for the Chevrolet Volt, Opel Ampera and Cadillac ELR.
Using our in-house engineering and manufacturing expertise enabled us to deliver a battery system that is more efficient and lighter than the 2014 Spark EV without sacrificing range. Our successful working relationship with LG Chem has allowed us to deliver a new battery system for the Spark EV that helps us to better leverage our economies of scale.—Larry Nitz, executive director of GM global transmission and electrification engineering
|Battery module for 2015 Spark EV battery pack. Click to enlarge.|
Changes in battery design will not affect the Spark’s MPGe, or gasoline equivalent, performance compared to the 2014 model. Range will remain at an EPA-rated 82 miles (132 km) and MPGe will remain at 119 (equivalent to 2.0 l/100 km).
Priced at $19,995 with full federal incentives, Spark EV is currently on sale in California and Oregon. The 2015 Spark EV features technology including Siri Eyes Free, 4G LTE and DC Fast Charging.
Brownstown Battery Assembly’s 479,000-square-foot, landfill-free facility south of Detroit also produces the lithium-ion battery packs for GM’s extended-range electric vehicles. It started mass production in October 2010 and is the first high-volume manufacturing site in the US operated by a major automaker for automotive lithium-ion battery production.
The site was made possible with the help of American Recovery and Reinvestment Act funding through the US Department of Energy.