A9LH / Emunand Battery Impact?

Discussion in '3DS - Flashcards & Custom Firmwares' started by Chrushev, May 16, 2016.

  1. Chrushev
    OP

    Chrushev GBAtemp Fan

    Member
    391
    97
    Jul 23, 2013
    Serbia, Republic of
    So Ive seen a few posts here and there about battery drain.

    From my personal experience with Emunand both with menuhax and a9lh the battery doesnt seem to be impacted at all when the system is sleeping from just a clean retail unit.

    And while playing Monster Hunter I tend to get the ~4 to ~6 hours or so depending on brightness and 3d setting etc. Which is about whats advertised.

    Anyone else have any more info about possible battery impact?
     
  2. LinkSoraZelda

    LinkSoraZelda GBAtemp Advanced Maniac

    Member
    1,980
    625
    Aug 12, 2015
    United States
    Land of the Rising Orange
    Arm9loaderhax should have absolutely zero impact on battery life as it is just a nand patcher and loader.
    Unless you run alternative payloads other than cfw, (decrypt9 or Uncart for example) in which your system does not enter sleep mode (it isn't available until arm11 is initialized afaik).
     
    Last edited by LinkSoraZelda, May 16, 2016
  3. DarkFlare69

    DarkFlare69 GBAtemp Psycho!

    Member
    4,713
    2,569
    Dec 8, 2014
    United States
    Ohio
    None at all
     
  4. VinsCool

    VinsCool Comfortably Numb

    Member
    GBAtemp Patron
    VinsCool is a Patron of GBAtemp and is helping us stay independent!

    Our Patreon
    11,858
    28,364
    Jan 7, 2014
    Canada
    Another World
    No impact on my end.
     
  5. Lilith Valentine

    Lilith Valentine GBATemp's Wolfdog™ Cuddle lesbian derp

    Member
    20,071
    21,184
    Sep 13, 2009
    Antarctica
    Between insane and insecure
    I've heard from the more paranoid lot that running emuNAND has some drain on your battery life. Although my previous testing could not replicate their results and my battery showed about the same battery life both on sysNAND and emuNAND (when I still had emuNAND, I've since stopped using emuNAND in favor of CFW sysNAND.)
    As for A9LH, it has no impact on your battery life. If your battery is starting to show different results, please consider testing out another battery to safely determine if your battery is not at fault.
     
  6. VinsCool

    VinsCool Comfortably Numb

    Member
    GBAtemp Patron
    VinsCool is a Patron of GBAtemp and is helping us stay independent!

    Our Patreon
    11,858
    28,364
    Jan 7, 2014
    Canada
    Another World
    Long time emunand user here. I confirm that there is no battery drain from using it.
     
  7. SirBeethoven

    SirBeethoven 3.145.... something. E=mc2

    Member
    1,808
    552
    Nov 26, 2015
    United States
    My SD seems to get overheated when using emuNAND for a long time - it's not faulty or fake at all though (Sandisk 64) and ever since I've switched over to SysNAND, I've never had that problem again
     
  8. LinkSoraZelda

    LinkSoraZelda GBAtemp Advanced Maniac

    Member
    1,980
    625
    Aug 12, 2015
    United States
    Land of the Rising Orange
    Yeah, SDs get way too hot to touch when using emuNAND for me. N3DS XL here.
     
    SirBeethoven likes this.
  9. Robz8

    Robz8 Coolest of TWL

    Member
    6,813
    2,875
    Oct 1, 2010
    United States
    O3DS here. SD Card does not feel hot when using emuNAND.
     
  10. SirBeethoven

    SirBeethoven 3.145.... something. E=mc2

    Member
    1,808
    552
    Nov 26, 2015
    United States
    Hot for me -N3DS
     
  11. LinkSoraZelda

    LinkSoraZelda GBAtemp Advanced Maniac

    Member
    1,980
    625
    Aug 12, 2015
    United States
    Land of the Rising Orange
    The SD is deeper on the system on o3DS, and is full sized. Also, I have no battery cover on mine so I can touch my SD as it is used.
     
    Last edited by LinkSoraZelda, May 16, 2016
  12. Chrushev
    OP

    Chrushev GBAtemp Fan

    Member
    391
    97
    Jul 23, 2013
    Serbia, Republic of
    Hmm its so weird... I was playing Monster Hunter (off a retail cart) on Emunand with Luma. Closed the system to make it go to sleep (was at 50% battery). Within an hour my light turned red. Its as if the system is on (but screens are off so drain is not as big since screens are draining power and no sound etc).

    Anyone have an experience like this?

    This is on New 3DS by the way (fairly new unit, maybe 2 months old?)
     
  13. LinkSoraZelda

    LinkSoraZelda GBAtemp Advanced Maniac

    Member
    1,980
    625
    Aug 12, 2015
    United States
    Land of the Rising Orange
    If by 50% you mean two bars, and you left it on for an entire hour, yeah, completely normal.
    2 bars mean anything from 50% to 20%.
     
  14. Chrushev
    OP

    Chrushev GBAtemp Fan

    Member
    391
    97
    Jul 23, 2013
    Serbia, Republic of
    It was sleeping for that hour
     
  15. LinkSoraZelda

    LinkSoraZelda GBAtemp Advanced Maniac

    Member
    1,980
    625
    Aug 12, 2015
    United States
    Land of the Rising Orange
    Yeah, I know.