The Logitech Signature Slim Solar+ K980 is a new mid-range addition to the company's slim and sleek office keyboard lineup with a unique feature: a built-in solar panel. Thanks to this and an internal battery, this keyboard can last for years without ever needing to be plugged in.Years-long battery life isn't exactly the highest priority for most people reading our best gaming keyboard buyers' guide, but there are loads of situations where it's a very nice-to-have feature. To see just how nice, we put Logitech's latest to the test over the course of a few weeks, which obviously isn't anywhere near enough to test the limits of this keyboard's longevity, but thanks to Logitech's software, we were able to see in real-time how the solar panel was able to keep the internal battery topped up as we typed.[site_jumplinks]Read the full story on PCGamesN: Logitech Signature Slim Solar+ K980 review - the 10-year battery life keyboard