A123 Systems starts to replace Fisker Karma battery packs

Article by Christian A., on March 27, 2012

A123 Systems has started to replace the lithium-ion battery modules and packs that may fail because of a manufacturing defect, a problem that had led to the notorious shutdown of the Fisker Karma luxury sedan while it was being tested by Consumer Reports magazine. A123 said that it found defects in certain cells produced at its plant in suburban Detroit that could result in the premature failure of the battery module or pack that leads to a decrease in performance and reduced battery life, according to CEO David Vieau.

He told reporters during a conference call that this company, which began as a start-up at the Massachusetts Institute of Technology, started to build replacement modules and packs.

It expects to start shipping them to five affected corporate customers this week. Vieau said that A123 hasn’t heard of accidents or injuries due to this defect. He said that safety is unaffected by this defect. But he admitted that the defect was the reason for the shutdown of the Karma electric car last March 7 while it was being tested by consumer magazine Consumer Reports.

A123 anticipates that this replacement will cost around $55 million and that funding will be generated on the next several quarters. Vieau said that the company had enough liquidity for this campaign however the situation is expected to lead to the adjustment of A123's fundraising strategy.

He didn’t indicate the number of modules or packs to be replaced. In a statement, Fisker said that it will improve its existing customer service program to comprise a free battery replacement. It will also extend the North American warranty of the Karma from 50 months/50,000 miles to 60 months/60,000 miles.

Fisker Automotive's Karma is the first as well as the only true production EVer or Electric Vehicle w/ extended range. That means the Fisker Karma is driven exclusively by electric traction motors. It also has an on-board range-extending gas engine that drives a generator in order to power the motors when needed. There isn’t a mechanical link between the drive wheels and the internal-combustion engine.

The exclusive EVer powertrain took its inspiration from a high-performing stealth vehicle that was created for United States Military special operations. It boasts a 20kWh rechargeable lithium-ion battery that was developed by Fisker’s strategic partner, Massachusetts-based A123 Systems. It also has state-of-the-art Nanophosphate technology, which maximizes power, energy, safety, and reliability.

When running on battery alone, the Fisker Karma is able to cover 50 miles. After that, the front/mid-mounted gasoline engine and generator set, also known as the range extender, can run 250 miles by providing supplemental power to the dual rear-mounted electric motors. That means that the total range is 300 miles. The battery takes about six hours to recharge using Fisker's 220V wall charger.

Additionally, the car contributes to sustainability even while it is parked, thanks to the automotive solar panel that’s integrated into its roof. This automotive solar panel is considered to be the largest and most powerful in the world and the only solar installation on a roof of a production vehicle which gathers energy to be stored. This solar installation can collect enough energy over a one-year period to power the Karma for 200 miles, making it cost- and emission-free!

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