Terrible Surface Laptop 3 Battery Life

S

shazamablam

Hi,

I've had my Surface Laptop 3 (Intel I5 Core, 8GB Ram, 256GB) for nearly six months now, and I think it's a great laptop in all but one respect - its battery life. From the start, it never lived up to its marketing promise of 11.5 hours (not even close, even though I never really expected it to reach that max range - it's only ever really managed a bit over six hours, with my battery report estimating it's first entry months ago at 6:50 hours), but it's steadily gotten a lot worse. These last couple of weeks, I've been lucky to get 4 hours out of it, which is far below what I need and use it for. My latest battery report for estimated battery life shows this:

020-09-21 - 2020-09-28
4:20:51​

304:19:15
5 % / 16 h​
4:41:45​

328:42:31
5 % / 16 h​
2020-09-28 - 2020-10-05
5:17:11​
-​
5:45:20​
-​
2020-10-05
102:04:42​

55:16:33
29 % / 16 h​
110:44:03​

59:57:47
27 % / 16 h​
2020-10-06
4:28:34​

601:11:42
3 % / 16 h​
4:51:20​

652:10:22
2 % / 16 h​
2020-10-07
4:00:52​

14:49:41
108 % / 16 h​
4:21:18​

16:05:09
99 % / 16 h​
2020-10-08
4:14:46​

31:58:33
50 % / 16 h​
4:39:20​

35:03:33
46 % / 16 h​
2020-10-09
4:00:49​

24:27:00
65 % / 16 h​
4:23:56​

26:47:46
60 % / 16 h​
2020-10-10
5:06:38​

44:34:33
36 % / 16 h​
5:36:03​

48:51:12
33 % / 16 h​
2020-10-11
3:14:13​

673734:19:12
- / 16 h​
3:33:44​

203066:17:36
- / 16 h​
2020-10-12
2:45:42​

53:20:59
30 % / 16 h​
2:59:50​

57:54:03
28 % / 16 h​
2020-10-13
4:20:42​

89:27:04
18 % / 16 h​
4:42:57​

97:04:55
16 % / 16 h​

Needless to say, that one 102 hour blip on the 5th of October is strange, but I don't know if it's connected to the issues I'm having, since the problem dates to before that.


I don't game on it, or run anything particularly intensive. All I really use is Chrome, Word and OneNote, dominantly for research. Occasionally Skype and Zoom, but I ensure they don't stay running in the background, and usually I'm at my desk plugged in for those. The keyboard backlight stays off, and I keep the brightness fairly low. If I was performing demanding tasks I might understand this sort of battery life, but at the moment it's nowhere near up to par, and disappointing for what is otherwise a very good laptop. I've tried reinstalling battery drivers as recommended in a similar post, but that hasn't helped.

I'd rather not return it, so any other suggestions would be appreciated before I resort to that.

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