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Tips I made a "super charger" for my phone and its working great

Discussion in 'Android Devices' started by ciper, Apr 7, 2011.

  1. ciper

    ciper Android Enthusiast
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    I hesitated to post this until I ran enough tests but I found an inexpensive source for a fast high quality charger in the from of the original PSP wall charger. It's spec'd at 5v 2amp, versus the .7amp of the original unit.

    Not only did I check voltages and the like but also battery temperature and voltage using a HIDDEN option that exists on the phone. I am using the Extended Controls application to replace all the shortcuts and widgets on the main screen of the phone and it has the option to create shortcuts to hidden items. One of those under the "Settings" heading is called "Testing" and it gives you access to many informative items

    I monitored the battery voltage, temperature and time to charge using the original and this modified charger. The time to charge was reduced drastically even while using 4g and full brightness screen. The battery voltage went up in a similar fashion between both chargers. The temperature seemed to be tied more to the activities on the phone rather than which charger was used.

    I highly recommend a PSP charger with attached microusb cord. I disassembled one for fun and it is much higher quality than most other five volt wall warts. To help rid your fear, the usb spec says the device is supposed to determine the amount of power to be drawn so you could attach a 10amp supply to it and the phone would decide to use as much as it liked. Its the output voltage that is important. Some of the other random "name brand" 5 volt supplies had voltages as high as 6.2 volts!

    Regarding that special test menu it shows the following.
    Phone information : Shows all the network information including signal levels, lte or 1x, ip address, etc

    Battery information : Shows many things including Battery scale (level), battery voltage (mine is showing 3920mv), and battery temperature

    Battery usage : This shows a percentage for each item that used the battery with information from multiple sensors (much nicer than the normal screen)

    Usage Statistics : Shows how many times and how long you've used each app

    Wifi Information : This has three sub menus one of witch is Wifi status which shows the ssid, signal level, encryption type, channel, ip address and all sorts of useful stuff

    The Extended Controls application is great because it allows you to comfortably put six application shortcuts on a line normally mean for four. I usually put five wide and it really decluttered the main screen of my phone. It also has a smaller footprint than many of the other apps.
     

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  2. MetroPOS

    MetroPOS Android Enthusiast
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    So how long does it take (in horus) to charge the phone from 0% battery life to 100% using this charger
     
  3. ciper

    ciper Android Enthusiast
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    I ran my phone down to the point that it shut down on its own. I waited a bit and rebooted to check the reported battery and it was at 1/100 (many apps can read this parameter).

    With 4g enabled and connected I was able to fully charge the phone in 3:20. It probably could have been faster but I was receiving texts at the time so the screen kept lighting up.

    I monitered battery temperatures while charging and they WENT DOWN from the previous higher temperature after running the phone with all the other crap enabled and running (wifi, gps, 4g, bluetooth, brightscreen and benchmarks)
     
    tiede likes this.
  4. MetroPOS

    MetroPOS Android Enthusiast
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    That is pretty damn good, because that's how long it usually takes me to charge the phone from 0 - 100 with a regular charger when I have 4G disabled.

    Interested in hearing how fast you can charge the phone with this charger while 4G mode is disabled.
     
  5. TRS-80

    TRS-80 Android Enthusiast
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    Good work ciper! :D On the charger, as well as finding that other app (I think I will go look for that now :))!

    Me too! :)

    Being the extremely cautious type, I suppose I will wait a while (a couple weeks?) for extended testing and reporting back before I try this myself...
     
  6. ciper

    ciper Android Enthusiast
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    I wanted to post a small update. From 0-100 on airplane mode it took 2 hours and 38 minutes to reach a full charge.
     
  7. MikesTooLz

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    what about with the phone off.

     
  8. TRS-80

    TRS-80 Android Enthusiast
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    I'm inclined to believe it. I mean, if Samsung/Metro are so cheap that they skimp on the freaking USB cable for Chrissakes, why wouldn't they skimp on the charger itself (something that actually has a few components in it)?!
     
  9. tiede

    tiede Android Expert
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    curious, aren't we?
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    You wanna know something even weirder, and aligned with trs-80's thought?
    I have an old and cr*ppy usb/universal phone power supply box I got a long time ago for dirt cheap, and I swear it charges my indulge faster than metro's charger. The weirdest part though, it's only rated at 500mA, which should be lower than metro's .7A charger... What gives?
     
  10. MetroPOS

    MetroPOS Android Enthusiast
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    Interesting. So that charger seems to cut one hour off of the typical charging times we're used to with 4G enabled and disabled on the regular charger. If I were on the go most of the day, it'd probably be worth obtaining a charger like this. But for people who can't plug in all the time, even with this charger, the real solution will only be an extended life battery
     
  11. MikesTooLz

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    I should start carrying around a huge battery in a backpack with a cable that runs down to the phone to charge while on the go.

    Dunno how I would put the phone in my pocket though while its charging since the plug is on the side of the phone.
     
  12. n4zty

    n4zty Android Expert
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    belt clip? lmao anyways ive ordered myself a portable solar device charger like this one

    [​IMG]

    only $7.95 at BLUE - Innovatek Stay-On Solar Charger

    anyways waiting for it i ordered it yesterday and i was suppose to do a review on it on the howardforums. hopes this helps.
     
  13. MikesTooLz

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    I ordered one of those that was like 4X8.
    Did it charge? yes

    Would it charge up the indulge battery? dont think it would be able to charge the entire battery over a full day out in the sun.


    probably would get better charge from one of those hand cranked USB chargers. even so, an AC outlet takes how many hours? you would probably be cranking it for twice as many hours.
     
  14. n4zty

    n4zty Android Expert
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    loool theres hand cranking usb chargers? now thats funny i can see some1 in my famly trying to charge their phone with that looooool
     
  15. ciper

    ciper Android Enthusiast
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    I am going to try a full charge with LTE disabled right now. I let the phone run until it shut itself down then disabled LTE and connected the charger. I started at 8:25 with the phone showing 2% with the charger connected after rebooting (the percentage goes up when the charger gets plugged in).

    The crazy thing is that this phone is VERY tolerant of voltage changes. I've seen it able to function normally with a battery voltage of only 3.3, and if the built in monitoring is correct it functions up to 4.8 volts!
     

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