As advances in photovoltaics (PV) make them ever more efficient and cheaper to produce, they look set to become a major new method of supplying power in recent years, and many high-demand electrical goods could soon be run off PVs rather than traditional batteries.
Of course, batteries will probably never die out completely, as some devices simply are not suited to the special nature of PVs – although cheaper in the long term, the very nature of some gadgets means that they require more reliable, high-power energy sources that PVs cannot (as yet) provide. What is certain, however, is that we will see PVs more and more in our everyday lives.
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