You can now read 10 articles each month for free on

The Boston Globe


A123 Systems files for bankruptcy protection

Waltham lithium ion battery maker A123 Systems Inc. filed for bankruptcy protection in a Delaware federal court Tuesday, a stunning fall for the alternative energy company that immediately became an issue in the presidential campaign.

A123 said it was calling off a major deal with a Chinese auto parts conglomerate that was expected to save the firm, and also announced it would sell its auto-related assets to another US battery maker.

Loading comments...

You have reached the limit of 10 free articles a month

Stay informed with unlimited access to Boston’s trusted news source.

  • High-quality journalism from the region’s largest newsroom
  • Convenient access across all of your devices
  • Today’s Headlines daily newsletter
  • Subscriber-only access to exclusive offers, events, contests, eBooks, and more
  • Less than $1 a week