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I threw out my AA batteries after using Logitech's new solar-powered keyboard

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Logitech Signature Slim Solar+ Keyboard ZDNET's key takeaways Logitech's Slim Solar keyboard is available now for $99.

It's wireless and light-powered, pairs with three devices at once, and has customizable action keys.

It's ultimately a pretty standard keyboard, and the "laptop-style" design might feel too shallow for some users. View now at Logitech

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Logitech's latest keyboard is about as easy as you can get. It's wireless, universally compatible, and has no removable batteries or charging ports -- generating its own power through light.

The Signature Slim Solar+ is a full-sized keyboard that couldn't be easier to set up, and "just works" indefinitely after that, with no input from the user about battery levels. Sure, similar products already exist, like Logitech's K750 solar keyboard, but the Slim Solar+ lives up to its name as a sleeker -- and more affordable at $99 -- option with the home office in mind.

Also: This split keyboard offers deep customization - if you're willing to go all in

I installed the Slim Solar keyboard in my home office for a few weeks, and was sold on its ease of use, especially for swapping between my work and personal computers. But for those seeking a customizable keyboard, the Logi Options+ app make it as personalized as it is practical.

As its name implies, the Signature Slim Solar+ keyboard is light powered, but it doesn't need sunlight specifically. The keyboard absorbs ambient light through the strip along the top of the device, which powers it passively, generating the power it needs with the light available in your office or home.

This also means you don't need to stick the keyboard under a spotlight to generate enough power; "normal" lighting conditions work just fine, including the overhead fluorescents in the office. Unlike other solar keyboard models on the market, the strip is discreet and well-designed, adding little to its overall shape.

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