m15 R7, battery life two hours

Question

I just got my m15 R7 two weeks ago, and my battery barely lasts two hours doing battery saver and having brightness and keyboard lights off and doing no gaming or streaming. Is it supposed to be like this or is something wrong? I’ve seen reviews and such where people said it should last you at least four hours doing normal work.

virtualm · Accepted Answer

I've also just purchased an M15 r7, I too was experiencing less than 2 hours battery life. I've disable the discreet gpu from the bios and have seen a huge increase in battery life. Also tweaked the maximum processor state in the power plan to 50%. However this is at the sacrifice of performance, but you'll see huge gains. Google this and watch the youtube videos.

Also what is your idle cpu temp? Since changing the above mine previously was 70c and now it idles nicely at 48c with light browsing & checking emails.

For example now, I am running on my battery with 78% left and I've already been using it for 45 minutes and the battery says 3 hours 15 minutes left. So I would hope 4 hours is what I get. I'm trying to get more!

Definitely worth giving the above a go, even to increase the longevity of your M15 r7.

crimsom · Answer

Hi @fallguy509

Within the first 30 days, there is option to Reject Alienware m15 R7. Create Service Request to Book your option asap. Dell Refund policy, New vs Refurbished - Dell Community

Dell warranty includes battery warranty during the first year. Please visit your online Dell account to create Service Request so that Dell Support knows there is a problem to fix. Request a free new replacement battery. You should be asked if you want to install new battery or want a Dell assigned local contractor to install battery for you. Dell warranty 100% guarantees the work of their assigned local contractor.

Please create windows Battery Report. How to Get Your Windows 11 Battery Report (lifewire.com) or Windows 10 Battery Report: What It Is And How to Use It (lifewire.com) The new Alienware m15 R7 may have an old battery.

For the typical user, noticeable reduction in run time generally will be observed after 18 to 24 months. For a power user, reduction in run time generally may be experienced within 18 months. Dell recommends buying a new Dell OEM laptop battery when the run time does not meet your needs. Dell Laptop Battery - Frequently Asked Questions | Dell US

ejn63 · Answer

Is this with the discrete GPU disabled? That's about the only way you will see four hours' runtime - and that's if the system has an FHD display. If it's a 4K display, there's no way you'll run that long on battery.

virtualm · Answer

Yes, like I said with discreet GPU disabled. I have a QHD display, no external 4k display.

Hassanhadi90 · Answer

I have the same problem with my laptop I test it with just web browsing it last barely 2 hour And I've searched for so many YouTubers testing the same M15 R7 they said last for 4 hours least . So what's the solution if someone figure it out or should I turn off the gpu from bios but still not good idea it's brand new laptop ?

Ciz1n · Answer

I had the same issue. Only getting 100min of battery. They tried replacing it And then added more software for battery management and that did nothing.  What worked for me was to reinstall windows 11 and remove all dell software and Alienware command center. I can oc with msi afterburner and widows seems to mange thermals just fine as I've noticed no performance loss during games and can now get 5 to 7 hours of battery browsing and watching videos

Mitch_Myo · Answer

How you managed to disable dGPU from BIOS?I have the same laptop (12700H edition, with 3070 Ti dGPU) and I cannot find this setting in BIOS.

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m15 R7, battery life two hours

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