Anonymous
watch solar cells 10/28/26(Wed)21:52:54 No.110191140

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watch solar cells Anonymous 10/28/26(Wed)21:52:54 No.110191140

>>110191227 >>110191243 >>110191251 >>110191290 >>110191508 >>110191514

i remember how the ti-108 (and many other cheap calculators) can work with a dead battery via the solar cell.

now, that isnt as easy with watches (since they have to hold time via quartz, and memory reset is an issue) but aren't there square g-shocks that have a time sync feature? and even if it were impractical, could you in theory make a watch that has a "limp mode", where it'd fade out and die without sunlight, but could be temporarily "jumpstarted" if you held it to the sun for a minute and let it sync?

like, in addition to the battery (which takes time to charge), a small standby capacitor serves as an emergency power source very briefly, when the user presses a button to engage it.