ENER1 INC (ENEI) and Delphi Corp. (DPH), today entered into a non-binding letter of intent to create a joint venture to leverage their combined expertise in lithium batteries. Delphi and Ener1 will be negotiating definitive agreements and conducting due diligence in the coming weeks. “The combination of Ener1’s vapor deposition process and its nanotechnology for production of high-rate, low-cost lithium batteries with Delphi-developed high energy capacity technology would allow the venture to have a key advantage in penetrating its target lithium battery markets,” — Kevin Fitzgerald, Ener1’s CEO. [ more ] ENEI is up over 14% on this news today. This type of agreement is typically a precursor step to an eventual acquisition.