Electric vehicle (EV) technology is a major long-term growth opportunity. Yet finding the best way to invest in it isn't clear due to the wide variety of technologies, most of which are not in full-scale commercial production. But battery stocks are a good starting point; batteries are used across a wide spectrum of applications, not only in EVs but also renewable energy.

Not all next-gen battery companies will be selected by carmakers to move forward into large-scale manufacturing, owing to a combination of scalability, performance, and pricing. But here are three battery stock picks that have a combination of viable technology and attractive long-term growth potential:

QuantumScape is arguably the leader in the development of solid-state batteries. Unlike traditional lithium-ion batteries, solid-state batteries use solid electrolytes, which significantly expand a battery's energy density while making it less costly. These batteries are being heralded as the primary technology catalyst for the next generation of EVs.

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Source Fool.com