I want to see an innovation in battery technology that gives us basically unlimited power on portable low-power devices

Do u see batteries? No. It's the solar you absolute moron

>reee nothing is perpetual

Fuck you. Energy sources that can last 100 years are possible and basically perpetual because they will last your entire life.

Bring it

Ara~ Ara~, now who's the moron?

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>portable
>low power
>near-unlimited energy, at least for several billion years
>spergs out because "IT IS NOT A BATTERY URGHGHG"
Stop being an autistic moron. This just works, at least for the next few million
generations.
>"it's the solar you absolute moron"
wat

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>Energy sources that can last 100 years are possible
Okay, fair enough.
How much energy output are we talking and what would be the size constraints?

Actually many solar powered calculators just have a capacitor.
Which is a battery.

en.wikipedia.org/wiki/Betavoltaic_device
if the device is power efficent enough it can run on betavoltaic cells until the material expires. Good luck finding a commercial manufacturer though

Most of the ones I've had with battery / solar hybrid don't actually charge the battery, they just somehow use the solar when it's available and try the battery when it's not.

Or maybe I've only bought knockoff calcs. I have my one from HS a decade or so ago in a drawer around here somewhere. I'll check

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Here is my POS Sharp from the 2000s

It has a big ol solar panel that doesn't work will in my ghetto ass lighting

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Maybe it has to charge up

The potato cam along with my brilliant photogaphy was able to determine it's an EL-520W

Power is posted as being Solar cell/LR44 x 2
(5,000 hrs.)*3

Whatever the fuck that means, I was in special kid's math

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It has two tiny-ass screws to get in, but I left my precision set somewhere where I don't remember.

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But using the magic of TV we got in

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This reveals two alkaline batteries that not only cannot be charged, but somehow do not leak after a decade in a dark wet place.

Thank you, this has been user does calculators with a oneplus 3 with no lens and a lot of dust.

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*lens cover

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Solar powered calculators are possible because they take almost no power at all, around a milliamp. You could run them on a potato

The potato Sharp needs 3 volts from the panel so, 6 potatoes in series.

>This reveals two alkaline batteries that not only cannot be charged
That's not even so certain, those tiny button shits are often used in stuff like handcranked flashlights and they're clearly getting a charge in there.

ok on the next episode we will try to charge the button cells. stay tuned this coming weekend.

if I was less lazy I would do a teardown now and break out my dollar store multimeter but it'll be posted later. It's 3:30am

NanoTritium, it's only for ultra low power applications, but it works for 20+ years.

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A battery generates electricity, a capacitor only stores it.

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But you can have a battery of capacitors.

>tritium

youtube.com/watch?v=BfsMNtIDWbc

>lithium-ion levels of energy density are already stupendously dangerous
I can't wait. Bring on the pocket nukes.

I am so ready

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Energy density in battery technology has already peaked, our batteries are already unsafe and we shouldn't make them any safer.

I'll be researching the problem for as long as this thread lasts. Go!

it's simple user, just beam power to it with microwaves. As an added bonus the microwaves keep you warm in the winter.