If you were sent back to the roman era and could only bring a backpack of goods. What would you bring?

  • LemmyKnowsBest@lemmy.world
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    9 个月前

    I’m not talking about the laptop battery. You need a lithium ion battery system and a power inverter for your solar panels. That’s heavy stuff.

    • RisingSwell@lemmy.world
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      9 个月前

      So how do small foldable solar panels that charge phones and the like work? Because I presume if they can charge a phone they can charge a laptop, given they aren’t really different.

      • LemmyKnowsBest@lemmy.world
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        9 个月前

        I’ve never tried those, but I can’t imagine they’d be very effective. Do you know anyone who’s ever tried those?

        • RisingSwell@lemmy.world
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          9 个月前

          No, but they seem to be able to charge a phone, or their own internal batteries. As long as the laptop you take is one designed for long battery life I don’t see it being an issue for quite some time.