To some, a recent offer by Tesla Motors to replace batteries in its Model S all-electric sedan for under $150 per kilowatt hour reflects an extremely futuristic view of improving EV technology.

Tesla CEO Elon Musk explained the Model S battery swap idea this way: "When people take an occasional two-way long distance trip, they'll get a replacement pack and then pick up their original one ...

Tesla famously build their battery packs from standard 18650 lithium-ion cells, but it’s safe to say that the pack in the Model S has little in common with your laptop battery. Fortunately for ...

Toyota benefits from a fairly comprehensive online parts catalog, but it does not list a replacement HEV battery pack part, so there's no exact figure for us to reference. Bear in mind that if you ...