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There are windows laptops that advertise over 20 hours of battery life with top current or last gen Intel and AMD processors.


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How many windows laptops have you found that actually has the battery life they promise in marketing?

Can you give me an example of an AMD Laptop with 15-20 hours of battery life on Linux?

I tried to find a laptop with the specification you just mentioned that could last 20 hours on battery. Didn’t.

What are some good long battery life Windows laptops currently on market? I wouldn't need 20 hours (like macbooks have), but I'd like to get an entire work day without charging and my current experience with Windows laptops is that they last maybe 3-4 hours. Though I've also only owned mid-tier devices, so maybe that is only exclusive to top tier, not sure.

I'm still seeing equivalent AMD based laptops with much higher battery life ratings.

An AMD Lenovo Laptop supposedly gets 16 hours of battery life and again, this is subject to what you're running, but it runs x86 stuff natively instead of having to translate it. Isnt this 'good enough' for most people? I know we have people wanting week long laptop batteries, but over 12 solid, real world hours should be good enough for the majority of users, I'd think.

20 hours isn’t full CPu usage, of course. The last intel laptop I had lasted a couple hours. My M2 gets me through the workday.

I’m also frequently confused when people refer to Windows laptops as in a different league of battery life. Modern Windows laptops do just fine. M1 is a cycle ahead, but the Ryzen mobile parts are actually very good too.

It would be nice if they could get close in terms of battery. Every windows laptop I’ve ever had including my current one I use for work has had a battery life of around 3 or 4 hours. Compared to my MacBook Air which can easily seem to go over 24.

Not everyone needs 15+ hours of battery life. I'd argue that most people don't. Laptops were extremely popular when the battery life was two hours. Now even older laptops get 5h+.

Isn't that pretty much SOP for most laptop battery duration marketing?

> MacBooks are the only laptops doing this reliably.

My ZenBook happily did 16 hours or more a few times (it claimed 22 out of the box though I never needed to ask it to while I was monitoring), though it doesn't seem to do as well now (it has seen regular use for about three years). There are other designs on the market with similar claims too.

Most people are looking for something that is just movable when getting a laptop though with power being available most of the time, so double a working day (or more) battery life isn't something that sells big (especially if there is the option to trade it for cost or weight) which is part of why you don't see many laptops even trying.

(gaming marketed laptops and other high-power units are a different kettle of fish, you expect and get less life with that sort of use case even with a huge heavy battery or two)


Sure, but the MacBook Pro is only an example. There are plenty of x86 laptops that can do well over 10 hours of battery life.

Good question, I think the answer is even at thousands a window device battery can't hit 18 hour specs. Can someone name a windows device even at 2k+ that acts like an M chip? In fact the pricier windows usually mean GPU and those have worse battery then cheap windows(my 4090 is an hour or so off charge)

It's a direct response to this incorrect claim: "There are Windows Laptops with good 10+ hour battery life (e.g. Thinkpads). But they aren't a "little more" they're $1K+"

They aren't $1k+. They're literally a little more than the $400 Chromebook.


Windows laptops usually overstate battery life, we’ll have to see if it’s reproducible.

You can get a million hours of playback with enough battery. Thin and light laptops with typical sub-50w/hr batteries are going to have a very hard time going over 20-25 hours.

I'm also super-skeptical of AMD's claim because their chipsets have a very long history of sucking a lot of power.


These people are lugging their laptop around all day, from meeting to meeting, or airport to airport. If you can keep battery life constant at ca. 10 hours, which covers an extended work day, then beyond that most people would prefer to have lighter/slimmer/cooler (less hot) devices than one that runs for 20 hours.

>Who needs 28 hours of battery?

A nice advantage is in a few years when the battery wears down some you'll still have fantastic all day battery life compared to most other laptops.

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