Lithium-ion batteries are everywhere — in your phone, laptop, and by this time next year, maybe your car. The technology is slated for GM’s Chevy Volt, Toyota’s plug-in Prius, and electric versions of the Daimler Smart and BMW Mini. Until recently, lithium went primarily into ceram...

Ever since battery maker A123 Systems bought plug-in hybrid converter company Hymotion last year, everyone’s been waiting for the time when consumers would be able to get their hands on the conversion kits. This weekend A123 Systems emailed us to let us know that they have officially launched ...