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Thread: 1% Accurate Battery Indicator for Motorola Phones!

  1. Droid
    SJonesGSO's Avatar
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    #1

    [FREE][UTILITY]1% Accurate Battery Indicator for Motorola Phones!

    NOW FEATURING THE ICS CIRCLE WIDGET THEME!
    1% Accurate Battery Indicator for Motorola Phones!-ss8.png

    https://play.google.com/store/apps/d...us.motobattery

    Hey all! I just finished and published my very first android app to the play store! Right now I'm looking for people to download it (for free) and let me know if it works correctly on their Droids.

    It is designed to function on Motorola phones (droids) that report battery in 10% increments.

    Accurate Battery for Motorola Phones allows your phone to report its battery percentage accurately!

    Motorola Phones typically are crippled in that they report battery levels in 10% increments, losing much of the precision of other phones. This application fixes this issue, adding a convenient notification to the phone showing not only a precise and accurate battery levels but also other useful information.

    Features:
    -Reports battery in 1% increments
    -Works on practically any Motorola phone
    -Handy widget!
    -Displays Temperature, Voltage, and Charging Status
    -Fahrenheit / Celsius option
    -Notification can be toggled on/off
    -Starts on boot (can be disabled)

    Best of all, NO ROOT REQUIRED! This app will run regardless of whether or not you have Root access.
    https://play.google.com/store/apps/d...us.motobattery
    Last edited by SJonesGSO; 09-14-2012 at 10:50 PM.
  2. Droid
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    #2
    Just an update! I've implemented a widget (we'll call it beta for now) to the app! Now you don't have to have the pesky notification to keep tabs on your battery level!

    I'm in the process of working out some power consumption issues but all in all the app remains fairly lightweight.
  3. Droid
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    Just another quick update! I've updated the widget so now it looks a lot nicer! And the app also has been updated for stability and other enhancements!

    Still looking for feedback
  4. Super Moderator
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    #4
    Congratulations on your new application. I'll check it out shortly and give my take on it then.

    I might recommend you change the wording from "more accurately" to "with greater precision". The reason why is dividing a level of charge into smaller slices (i.e. 1/100 versus 1/10), does nothing to increase the accuracy of the meter, though it increases the precision of the meter representation. In fact, these meters were set to show 10% increments rater than 1% increments so as not to mislead the user due to the inherently inaccurate manner in which it estimates battery level along the discharge curve.

    Since the voltages do not drop evenly across the discharged curve, the meter uses a supplemental reading of current to "guess" at the charge levels along the way. So essentially a 2 or 3 percent drop between the 10% and 20% levels can be significantly different than between the 40% and 50% levels, and also different than between the 90% and 100% levels. Choosing to show only 10% changes minimizes that effect.

    It's sort of like your car's gas gauge, in that it is most accurate when near either full or empty but can be significantly inaccurate through the middle ranges.

    Sent from my DROID RAZR using Tapatalk 2
    Last edited by FoxKat; 08-25-2012 at 04:46 PM.

    "Professor FoxKat"
    "Saving DROID Razr's, one battery at a time. :-)" - (credit SallyC)
    Avatar is Maxwell Smart, AKA Agent 86, from "Get Smart" (with his signature "Shoe Phone"), a SitCom TV series by Mel Brooks & Buck Henry, based on the spy thriller series, "The Man From U.N.C.L.E.".
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    Thanks for the input! I'm usually so careful about using precise / accurate! But in this case, you're definitely correct. I'll look into changing that shortly.
  6. Super Moderator
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    #6
    I definitely prefer the simple, large numbers shown in the status bar for the percentages of battery level, rather than the smaller ones others user inside a battery icon. Your widget icon is also nice and clean, simple and effective. The shortcut to the battery usage screen is also simple and effective. The percentages match other 1% battery tools, so it's apparently using the same data source.

    I would be interested in seeing an algorithm developed that learns the typical voltages for each owner's own battery and usage patterns at various percentages and tries to increase the accuracy of the remaining charge estimates over time. I would also like for it to remind owners to perform the meter training procedure every 40 complete 100% charge cycles, to assure maximum meter accuracy and to protect the owners from deep discharges, bootlooping and lack of response to chargers by forcing shut-down at 5% rather than 0%.

    If you want some assistance and advice, please feel free to call on me.

    Sent from my DROID RAZR using Tapatalk 2
    Last edited by FoxKat; 08-25-2012 at 08:53 PM.

    "Professor FoxKat"
    "Saving DROID Razr's, one battery at a time. :-)" - (credit SallyC)
    Avatar is Maxwell Smart, AKA Agent 86, from "Get Smart" (with his signature "Shoe Phone"), a SitCom TV series by Mel Brooks & Buck Henry, based on the spy thriller series, "The Man From U.N.C.L.E.".
    "Guidelines of Conduct" for DroidForums.net
  7. Droid
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    Quote Originally Posted by FoxKat View Post
    I definitely prefer the simple, large numbers shown in the status bar for the percentages of battery level, rather than the smaller ones others user inside a battery icon. Your widget icon is also nice and clean, simple and effective. The shortcut to the battery usage screen is also simple and effective. The percentages match other 1% battery tools, so it's apparently using the same data source.

    I would be interested in seeing an algorithm developed that learns the typical voltages for each owner's own battery and usage patterns at various percentages and tries to increase the accuracy of the remaining charge estimates over time. I would also like for it to remind owners to perform the meter training procedure every 40 complete 100% charge cycles, to assure maximum meter accuracy and to protect the owners from deep discharges, bootlooping and lack of response to chargers by forcing shut-down at 5% rather than 0%.

    If you want some assistance and advice, please feel free to call on me.

    Sent from my DROID RAZR using Tapatalk 2
    Yes, most (all?) current 1% "hacks" for Motorola phones utilize the /sys/class/power_source/battery/charge_counter (I THINK that's right) file, which contains (bafflingly enough) the exact percentage of battery left in the phone.

    I'm interested more in your comments - have you found the 1% increments provided by these apps to be inaccurate? Or otherwise not as accurate as phones with stock 1% capabilities are?
  8. Rescue Squad
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    #8
    I currently use gsam battery monitor & 3c battery monitor widget. I like the 3c's notification bar icon, notification area information on the time on battery, battery temp and voltage and once you open the app, the battery usage charts and battery stats on what is using the battery.

    For gsam's, their notification icon does not appeal to me and the notification area information does not offer much of what I really need to know except for temp (I already know the percent from the notification bar icon and the time left is such an inaccurate estimate depending on what I end up doing). What I do like about gsam's is the battery usage info in the app.

    In your app, I like the color and font style of the notification icon but would love it if it was twice the size. I love the style and info in the notification area. The only thing I wish it included was how long it has been running since the last charge. The battery percentage, voltage and temp info is exactly the same as the other battery apps so I feel confident in its accuracy.

    I think it is a great app. If you added amount of time running since last charge, I would get rid of my 3c icon in the notification bar and only use yours for my notification area info.

    Sent from my DROID RAZR Maxx using Droid Forums
  9. Droid
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    Quote Originally Posted by TisMyDroid View Post
    I currently use gsam battery monitor & 3c battery monitor widget. I like the 3c's notification bar icon, notification area information on the time on battery, battery temp and voltage and once you open the app, the battery usage charts and battery stats on what is using the battery.

    For gsam's, their notification icon does not appeal to me and the notification area information does not offer much of what I really need to know except for temp (I already know the percent from the notification bar icon and the time left is such an inaccurate estimate depending on what I end up doing). What I do like about gsam's is the battery usage info in the app.

    In your app, I like the color and font style of the notification icon but would love it if it was twice the size. I love the style and info in the notification area. The only thing I wish it included was how long it has been running since the last charge. The battery percentage, voltage and temp info is exactly the same as the other battery apps so I feel confident in its accuracy.

    I think it is a great app. If you added amount of time running since last charge, I would get rid of my 3c icon in the notification bar and only use yours for my notification area info.

    Sent from my DROID RAZR Maxx using Droid Forums
    Well I'm flattered! Consider the "time spend running" on my to-do list and don't be surprised if you see that added in a coming update! As far as the notification size..Are you running ICS? I've noticed that it looks perfect on Pre-4.0 phones, but anything after Gingerbread and the size shrinks by a factor of two. That's also on my to-do list, but it keeps getting pushed to the bottom when I discover bugs, etc.
  10. Rescue Squad
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    Yes, I am on ics... it made notification bar info way too small. And thank you, I will definitely hold onto this and look forward to updates.

    Sent from my DROID RAZR Maxx using Droid Forums
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