Among the many laptops and desktops that Lenovo announced at CES 2025 is an intriguing peripheral: the Self-Charging Bluetooth Keyboard. This unique productivity keyboard ditches the traditional battery, instead utilizing solar and ambient light to charge and store energy.

The Lenovo Self-Charging Bluetooth Keyboard might seem like your run-of-the-mill keyboard, but it comes with a party trick that might just save you a buck in the long run. Using advanced photovoltaic technology and fast-charging supercapacitors, the keyboard actually harnesses ambient light to store energy, eliminating the need for disposable batteries.

  • howrar@lemmy.ca
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    9 days ago

    Unlike conventional batteries, supercapacitors have an exceptionally long lifespan, lasting hundreds of thousands of charge-discharge cycles, whereas lithium batteries typically last only five years or less.

    So, what’s the conversation rate between charge-discharge cycles and years?

    • Isoprenoid@programming.dev
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      9 days ago

      It says in the article

      Unlike conventional batteries, supercapacitors have an exceptionally long lifespan, lasting hundreds of thousands of charge-discharge cycles, whereas lithium batteries typically last only five years or less.