Comment on Look Ma, No Batteries! Hands On With Lenovo's Self-Charging Keyboard

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Flipper@feddit.org ⁨1⁩ ⁨week⁩ ago

It doesn’t say what type of capacitor is used, but electrolytic capacitors can basically be charged and discharged indefinitely. They don’t wear down . However they age based on temperature. The ones at my work have 2000h @ 105°C. For every 4 °C coolor the lifetime doubles as a rule of them.

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