A123 Systems will need to replace defective batteries made at its Livonia, Mich., plant, costing the company $55 million.
The company announced today it has isolated the problem and will begin sending replacements battery packs and modules this week. One of the cars affected is the Fisker Karma, which Consumer Reports testers were unable to start during a review earlier month.
A defect in A123 Systems' prismatic lithium ion cells can cause batteries to short out and prematurely fail. The company said it is confident that it has isolated the problem to a single automated welding machine at its Michigan … Read more