Battery drain overnight while shutdown

Anonymous
2019-08-17T15:39:13+00:00

Lately, after I shutdown (full shutdown, not sleep or hibernate) my fully charged Surface Laptop 2 at night, I turn it on in the morning and find that the battery has lost around 25% power overnight! What's going on and how can I fix this? 

The laptop is only about 6 months old and the battery seems to be in good health. 

I've reported this on the MS Feedback Hub. Please upvote it so that it gains attention: https://aka.ms/AA5w24b

Also be sure to report there as well if you are experiencing this issue.

Surface | Surface Laptop | Power and battery

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Answer accepted by question author
Barb Bowman 80,805 Reputation points MVP Volunteer Moderator
2019-10-11T17:10:26+00:00

Please see https://support.microsoft.com/en-us/help/4469839/surface-laptop-2-update-history

This should be available on Windows Update:

October 10 release

The following updates are available for all Surface Laptop 2 devices running Windows 10 April 2018 Update, version 1803 or greater:

Windows Update History Name Device Manager Name
Surface – Firmware – 145.501.139.0 Surface System Aggregator– Firmware<br><br><ul><br><li><span>145.501.139.0 helps improve battery life.</span></li></ul>

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  1. Anonymous
    2019-09-21T08:44:39+00:00

    This problem just reduced the Full Charge Capacity already

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  2. Anonymous
    2019-09-21T08:38:17+00:00

    Thanks for the insight, Rory. In my opinion the beginning of your day looks a little rough. 8% in 15 Minutes. I'm really happy for you that it worked. I think I try it, too. Haven't seen one who said it didn't work. 

    Seems this is a legit fix. Now people can either wait for an official release or join the preview ring.

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  3. Anonymous
    2019-09-21T07:53:00+00:00

    I just charged to 100%, unhooked AC, shut down, waited 1 minute, turned back on and battery didnt change.

    Heres my battery report from the last day running the newest insider firmware.

    2019-09-2011:02:01 Active AC 101 % 45,830 mWh
    11:02:04 Active Battery 101 % 45,830 mWh
    11:07:35 Connected standby Battery 98 % 44,190 mWh
    11:10:01 Suspended 97 % 44,070 mWh
    11:17:55 Active Battery 92 % 42,220 mWh
    11:17:55 Suspended 92 % 42,220 mWh
    11:19:00 Active Battery 92 % 42,020 mWh
    11:26:16 Connected standby Battery 89 % 40,640 mWh
    11:39:40 Active Battery 89 % 40,600 mWh
    11:47:08 Connected standby Battery 87 % 40,010 mWh
    12:52:38 Active Battery 86 % 39,290 mWh
    12:53:13 Connected standby Battery 85 % 39,170 mWh
    12:53:17 Active Battery 85 % 39,170 mWh
    13:12:23 Connected standby Battery 82 % 37,720 mWh
    13:14:10 Active Battery 82 % 37,700 mWh
    13:21:06 Connected standby Battery 81 % 37,080 mWh
    13:21:45 Active Battery 81 % 37,060 mWh
    13:59:46 Connected standby Battery 71 % 32,730 mWh
    14:14:30 Active Battery 71 % 32,680 mWh
    15:25:51 Suspended 54 % 24,970 mWh
    15:27:28 Active Battery 54 % 24,740 mWh
    15:28:20 Connected standby Battery 54 % 24,520 mWh
    15:50:13 Active Battery 53 % 24,290 mWh
    15:56:02 Connected standby Battery 52 % 23,910 mWh
    16:22:26 Active Battery 51 % 23,490 mWh
    16:22:57 Connected standby Battery 51 % 23,410 mWh
    16:23:54 Active Battery 51 % 23,390 mWh
    16:24:26 Connected standby Battery 51 % 23,350 mWh
    16:25:40 Active Battery 51 % 23,320 mWh
    17:34:53 Connected standby Battery 38 % 17,510 mWh
    17:48:29 Active Battery 38 % 17,470 mWh
    18:25:21 Connected standby Battery 33 % 14,920 mWh
    18:33:34 Active Battery 32 % 14,890 mWh
    18:44:13 Connected standby Battery 31 % 14,150 mWh
    18:44:26 Active Battery 31 % 14,150 mWh
    18:56:52 Connected standby Battery 29 % 13,270 mWh
    19:36:55 Active Battery 29 % 13,170 mWh
    20:00:29 Suspended 23 % 10,670 mWh
    20:05:38 Active Battery 23 % 10,280 mWh
    20:06:29 Connected standby Battery 22 % 10,050 mWh
    21:40:59 Active Battery 21 % 9,730 mWh
    21:51:42 Connected standby Battery 19 % 8,740 mWh
    22:17:56 Active Battery 19 % 8,680 mWh
    22:33:50 Connected standby Battery 17 % 7,540 mWh
    22:34:32 Connected standby AC 17 % 7,520 mWh
    22:34:33 Active AC 17 % 7,520 mWh
    22:35:03 Connected standby AC 17 % 7,690 mWh
    22:35:46 Active AC 17 % 7,940 mWh
    23:56:51 Connected standby AC 83 % 37,660 mWh
    23:58:22 Active AC 84 % 38,200 mWh
    2019-09-2100:37:39 Connected standby AC 98 % 44,670 mWh
    00:49:33 Active AC 99 % 44,950 mWh
    00:49:36 Active Battery 99 % 44,950 mWh
    00:50:17 Report generated Battery 99 % 44,950 mWh

    Managed to get around 12 hours of battery life today, using my surface moderately. A user on reddit mentioned that you can gain a couple of percentages by reinstalling the battery/ac driver once you have the newest firmware as well.

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  4. Anonymous
    2019-09-21T06:16:29+00:00

    How long will it take for the insider release to reach non insiders?

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