http://insideevs.com/zero-first-generation-chevrolet-volt-battery-packs-replaced-due-general-capacity-degradation/ http://insideevs.com/zero-first-generation-ch

http://insideevs.com/zero-first-generation-chevrolet-volt-battery-packs-replaced-due-general-capacity-degradation/ http://insideevs.com/zero-first-generation-chevrolet-volt-ba... I have a 2013 Volt with 67K (50K ev) miles and there is, so far, no change in ev range.