My work gave me an HP piece of crap laptop, I'd rather have a MacBook.
this post was submitted on 10 Mar 2025
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HP consumer equipment is pretty trash to be honest. Even their "business" models. Servers are solid though.
I can't stand Lenovo due to their Fn and CTRL key swapping places, dell is my go to for last 10 years.
you can swap their locations on bioslevel and never think about it again (unless one of your colleagues actually reads the labels, gets it wromg and you have to explain it to them)
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Ah yes, great post in the year 2010 when thinkpads weren't complete crap, yet.
Using a generator to power a computer is a really bad idea. You'll significantly shorten the lifespan of the power supply. Ask me how I know.
I ran a full sized office photo copier off a generator once, it ran fine, but you could really hear the engine chugging when the fuser started to heat up.
I'm trying to figure this out at the moment.
What is the best way to power a laptop in an off-grid setup? Mine will be primarily solar + AGM battery.
I think the simplest "just works" set up is to get a "pure sine" inverter and go:
solar > battery > inverter > power supp > laptop
The thing is, if I understand correctly you have a big inefficient inverter to AC only to transform back to DC, with the only benefit being that the plug fits in the socket.
I'm curious to know how a generator ruins a power supply? Is it something to do with the arcane sine wave magic from the inverter?
The "best" would be some kind of DC to DC converter, but I'm not sure there's anything plug and play atm because there's a wide range of specs laptops want. If your laptop happens to change with USB c PD or whatever the spec is that'd be the most efficient that I'm aware of. No sense in going dc->ac->dc if it can be helped.
The “best” would be some kind of DC to DC converter
No sense in going dc->ac->dc if it can be helped.
Most laptop chargers can actually run on DC, and with as little as 48 volts. Here is a german guy demonstrating it. So if your battery bank runs on 48 volts, I think you might be able to just connect it directly to the input of a laptop charger and it will work.
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But why would it? Is the output not voltage controlled?
Use an inverter-controlled one and you'll be fine. Our emergency communications shelter runs off one of those just fine, with a cheap offline UPS in there.
Yes, those that control frequency using the engine rpm aren't that great for most switching power supplies.
Oh shit, you just made me realize when I get my first pay check I should really invest in a decent UPS. I had to sell my old one before moving state lines to condense space.
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Mum?
I mean… tools, not jewels. It has a robust design for a reason. Develop that patina, kid. Don’t lose your mind over a scuff.
I've been buying second hand thinkpads for the last decade or so.
They arrive pre-scuffed so I don't need to worry.
Indestructible little fucker