battery life tipsGeneral

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  1. DCUltrapro

    DCUltrapro Well-Known Member

    Hey guys,

    Ok so I searched for battery life and Battery Life Tips but couldn't find anything that gave helpful info about things you can do to make sure you get the best performance out of your Desire HD.

    I have a bog standard battery that came with the phone and I must not have trained it properly because I've had it a year and it now doesn't last through the night.

    I could normally go to bed with it fully charged and it would still have 80% or more of the battery but last night I went to bed at about midnight, it had 85% battery and I woke up this morning at about 8.45am to fiind it was dead!!

    Needless to say I've bought a new battery thats apparently a 1600mAh battery but I am not expecting miracles as it only cost me

  2. D-U-R-X

    D-U-R-X turbo drinker Moderator

    Your best bet is turning off things like auto-syncing/background syncing - you can set up so that it only syncs when you tell it to.

    I'd also turn off WIFI when you're not in within range of one of your WIFI connections (and 3G when you are within range of one of your WIFI connections).

    I will try and link you to some more stuff when I get in... haven't got time right now... there's too much stuff on the go @ work.
    Frisco likes this.
  3. DCUltrapro

    DCUltrapro Well-Known Member

    thanks man, I do only ever use wifi when I'm needing to download something big or want to watch something on youtube for example.

    I use Advanced Task Killer to make sure when I back out of a game its not running in the background

    How do I set it up so that the syncing only happens when you want it to? I can turn background data off etc but I don't know how you would customise the settings. I've checked and seen the settings for sync-ing etc and there is one for turning off/on auto sync-ing and then theres an option to turn off/on background data, but nothing about scheduling it etc.

    I've also checked in my mobile network settings and I have the option for the following:

    Data Roaming on/off (I never use it)
    Network Mode (GSM/WCDMA, doesn't mention 3g)
    Enable always-on mobile data on/off (its currently on)

    I don't see an option about 3g

    any other ways people can think of to maximise battery life?

    I'd also like to know the recommended way to train the battery when you first start to use it if anyone knows the best way? thanks

    Also is there an app I can get that shows the performance of the battery? someone had a pretty nice looking graph that showed the battery usage and how long it had ran for?
  4. D-U-R-X

    D-U-R-X turbo drinker Moderator

    As I see you've mentioned a Task Killer, I thought I'd link you to a thread that details useful apps for the DHD and has a whole thing at the start on not using Task Killers (click me).

    I'll try and dig some more stuff out for you on this subject when I get in from work!! :)
    DCUltrapro likes this.
  5. DCUltrapro

    DCUltrapro Well-Known Member

    thanks again mate, I might take that under advisement and stop using task killer, although sometimes the machine does seem to really slowdown which is a pig when I'm trying to scroll up or down something like gallery or txt conversations and it seems to freeze.

    if anyones interested about why not to use the task killers heres the link

    Android Task Killers Explained: What They Do and Why You Shouldn't Use Them

    I found it an interesting read... things seem to be getting more complicated than not!!

    I had another question, if going forward I no longer use a task killer, how can you efficiently close battery hogs like games? not all of them have the option to EXIT such as Angry Birds, games like that you just "BACK OUT" of them with the back arrow and they remain open in the background... other than going into the android applications menu and manually closing each individual app is there any other way....?
    D-U-R-X likes this.
  6. D-U-R-X

    D-U-R-X turbo drinker Moderator

    Having had time to check for info for you, I found something over in the SGS II forums that I thought seemed like food for thought...

    DCUltrapro and El Presidente like this.
  7. DCUltrapro

    DCUltrapro Well-Known Member

    thanks for all that info man, I downloaded Better battery stats but don't really understand some of the stats it can give like kernals and overlocks, none of that means much to me but it looks as though the "awake", "screen on" and Bluetooth are my biggest battery hogs.

    in addition to finding out good ways to REDUCE battery usage I also wanted to know if anyone has tips for how to properly USE the battery itself, as in how you train it to get the longest charge possible out of it.

    For instance do you drain it to zero the first few times you charge it? Should you leave it on charge over night or not? Obviously the phone only takes about 1 hour or so to charge but is then left plugged in for the rest of the night, maybe there is a way to setup an alarm to notify me when its charged so I can unplug it?

    I've made the following changes/amendments to my phone and habbits etc

    Turned off back ground data
    only ever use wifi when I need to make large downloads
    only go on the internet if I have wifi availalbe (unless there is an emergency)
    removed Advanced Task killer
    removed my youtube widget
    screen timeout is now 30 seconds and I pushed the screen lock back to 3 mins
    brightness is down to about 20%
    removed some animations
    stopped keys from vibrating
    removed quite a few apps etc
    I will now actively go into the android app management and stop any apps that continue to run after I exit them such as games etc

    I dont appear to have an obvious option for 3g, how do I deactivate it etc?

    also I use the app that allows me to use smaller icons on my screens, called Multicon, is that something I should consider not using or is it not a big deal? I have 2 large widgets from that and 1 small one.

    Thanks again mate for all the info so far, any tips on how to successfully train the battery to get a long CHARGE would be very welcome!

    oh and if theres an app or option that will make my phone alert me when its charged that would be great as I can't seem to find it so far
  8. DCUltrapro

    DCUltrapro Well-Known Member

    ok I found something regarding the conditioning of the battery for my phone, here is what I found:

    Tip: Condition your new cell phone’s battery to make it last longer (but be sure to condition it properly) | dotTech

    Lithium-Ion - Li-ion batteries are the newer type of battery that are found it most newer cell phones (most definitely most, if not all, smartphones use Li-ion and many "dumbphones" use them too now). Li-ion can be thought of as "smarter" than NiCad batteries; Li-ion batteries don't suffer from the "memory effect" and thus don't need to be conditioned like NiCad batteries.
    Rather, to condition a new Li-ion battery, fully charge it; it should be allowed to charge for 7-8 hours on the first, initial charge. In other words, when you get your new cell phone - and it has a Li-ion battery - allow it to charge for 7-8 hours even if the cell phone claims to be fully charged. (It is preferable to use outlet charger vs car charger or USB charging via computer because of the voltage difference.) After that, there is no reconditioning necessary for Li-ion batteries since they don't suffer from the "memory effect". However, be sure to avoid fully draining/discharging the Li-ion battery as much as possible; every time a Li-ion battery is fully discharged, it loses battery power and life. (That doesn't mean your battery will die if it is ever fully discharged; it means it is best to avoid fully discharging when possible.) Try to recharge Li-ion batteries when they are at 15-25%. Similarly, avoid heat as much as possible and when (if) storing Li-ion batteries, store them not at full charge.

    Update: The only time you should ever intentionally fully discharge a Li-ion battery is if your phone is not properly reading the battery. In other words, if you go from 100% -> 90% in ten minutes but go from 90% -> 80% in one hour with the same amount of usage, that means your phone is not reading the battery output evenly. If this is the case, then fully discharging your battery once and then recharging it can fix the issue of your phone not reading the battery properly. Take note, however, this full discharge/recharge won't increase your battery life -- it will only ensure your phone reads the battery properly.

    People often confuse Li-ion and NiCad batteries and try to condition Li-ion batteries by charging/discharging them 4-6 times. Trying to condition a Li-ion battery like it is a NiCad battery (i.e. charging/discharging the Li-ion battery 4-6 times) hurts the Li-ion battery more than helps it. So, be sure to condition your new cell phone's battery, but be sure to condition it properly. Otherwise, you may be doing more harm than good. If you are not sure what type of battery you have, read the labels on the battery - they will always say whether the battery is Lithium-ion or Nickel-cadmium. Good luck and may we all have long lasting batteries =D.


    ok so that looks good, so then my only question about the battery is this: can the HTC Desire HD Lithium-Ion battery be "Over-charged" and if so will it be damaged or is it a smart one that will just stop when its full? If it CAN be overcharged I will need some kind of app that gives me an alarm when its full as my phone doesn't seem to do it automatically, can anyone recommend such an app for me? thanks



    Another thing I noticed that I forgot to mention is that, recently, the battery meter from HTC would say its charging, and when it got to about 70% the number would not normally go up any higher and then it would just simply jump to 100%, does this perhaps mean that the phone thinks the battery is full and isn't charging it fully? I have bought a new one now and will follow the tips above but I would like to be able to unplug the phone when its full but I need an app to notify me, if anyone knows of one please let me know! thanks
  9. Xyro

    Xyro 4 8 15 16 23 42 Moderator

    A pretty interesting article came out about battery life recently: Free apps eat up your phone battery just sending ads - tech - 18 March 2012 - New Scientist

    The DHD will not charge your battery past 100%, it will stop charging once that happens even if left plugged in. It will actually then allow the phone to drop a few percentage in charge before kicking in again to get it back to 100%, as this is less harsh to the battery than trickle charging at 100% constantly. That's true for all android phones, apparently.
    DCUltrapro likes this.
  10. DCUltrapro

    DCUltrapro Well-Known Member

    ok cool so by that logic I can leave my phone to charge over night and it won't adversely effect the battery life/performance right?

    I just want to get the best charge time out of the battery that I can. I rarely play games lately on my phone but I know what you mean, there are always ads in apps like Angry Birds and zombie dash but you can't pay for some of them, again such as Angry Birds etc... but I am taking steps to improve battery life going forward
  11. D-U-R-X

    D-U-R-X turbo drinker Moderator

    I'm in and out of meetings at work today, but just saw this and wanted to comment... I leave mine on charge over night and have never had an issue with it.
  12. DCUltrapro

    DCUltrapro Well-Known Member

    no sweat mate, thanks, no rush on the replies its not life or death :)

    I think I've got what I need now, I now know that the battery won't over-charge, that the app killers are worthless and that I have to perform the kind of functions I listed above/earlier to minimize battery consumption and that, in theory Li-ion batteries don't need much in the way of conditioning other than to fully charge for the first time and that you shouldn't let it run down to zero unless unavoidable. I'm looking forward to testing out my new 1600mAh battery.

    Will let you all know how well it performs and if I get a good charge out of it.

    Thanks again guys
  13. Xyro

    Xyro 4 8 15 16 23 42 Moderator

    Yeah, I have left it on over night more than a few times and it has been fine.
  14. CDPlant

    CDPlant Well-Known Member

    I put mine on charge every night (even if its still on 90%) and I haven't noticed a change in my battery... it was rubbish to start with :p
  15. D-U-R-X

    D-U-R-X turbo drinker Moderator

    Just found another article on what could affect battery consumption/battery life.
  16. Netherdragon

    Netherdragon Well-Known Member

    in my opinion there is only so much you can do with the desire HD's battery life.

    Im frankly shocked at the battery life I get from it after 2 years of use.

    I have reacently had the need to use it as a 3g wifi hotspot quite a bit and I can take it from 100% to flat in about 2.5 hours in this mode...

    I know its getting on a bit now and the hotspot feature isn't the most energy efficient way of doing things but come on...

    eagerly awaiting something new to peak my interest. Something with a bigger battery is top of my list now. and maybe a tegra 3, love that processor in my prime.
  17. phandroid27

    phandroid27 New Member

    You can also use something like Battery Save Junky....
  18. JohnDF1

    JohnDF1 Active Member

    I use trend micro longevity beta app - has a handy setting of "just a phone mode" which effectively turns the lot off other than 2g for calls and text. Also has alerts for
    - Apps that hog power
    - fully charged alert
    - fast drain alert
    - low power alert

    Its optimise function can be set to maximise battery life by turning off apps running that aren't being used and its "power hogs" screen shows clearer detail of each apps battery usage than the HTC supplied one. It has a clear battery status screen which can show either time left of battery or the % of power left. Also converts to how much time to fully charged when charging.

    Using this app and the widgets for screen rightness, 3G , WiFi for toggling them on or off dependent on need means I get a good 24 -36hr of battery life per charge. I use the 1800 mAh Andida Li-ION battery which a few of us bought last year. I tend to leave the phone charging over night when needing a top-up

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