Review: Logitech Signature Solar Slim+ K980 Keyboard

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Solar panels have long been used in consumer tech, from Garmin smartwatches and TV remotes to even a laptop. I’ve always wondered why there hasn't been a greater push for them. It’s free power. What’s not to like? Earlier panels may not have been as efficient, but that's no longer the case.

Logitech is no stranger to solar technology. It first made a solar-powered keyboard 15 years ago, the K750, and now the time is ripe for a successor: the Logitech Signature Slim Solar+ K980. Like the original, this keyboard has no USB charging port and is purely powered by ambient lighting. It costs $100 and comes in black, white, or graphite. The simple and utilitarian ...