External battery drains FAST!!! - General Topics

Hello, I have a 10400mAh external battery (powerbank) from Xiaomi and when I charge my Note 2 which uses a single cell 3100mAh from 1% to 100%, it charges pretty quickly and after charging it, the external battery still leaves 3 indicating lights out of 4 (which is reasonable since one light represents about 2600mAh). However, when I charge my Onda v971 tablet with a battery capacity of about 3600mAh (I believe that is also single cell), it uses the remaining volume of the external battery and it only charged from 1% to 67%. In both cases, to be fair, I have turned of the Wifi and reduce the background process and activities to minimum using Greenify when charging it. Therefore I am wondering what makes the tablet "consumes" that much battery instead of charging it... Any ideas. Thanks.

Try to install BatteryDoctor, it controls well the usage of your battery!
Luck!
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ArnauGonzalez98 said:
Try to install BatteryDoctor, it controls well the usage of your battery!
Luck!
Sent from my C2105 using xda app-developers app
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Just wondering but does that really work since it's an external battery?
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yellowstarmoonsun said:
Could anyone help to recommend a good external battery?
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What capacity (mAh) do you want?
Verstuurd vanaf mijn HTC One X+ met Tapatalk

I have tried it but it seems that the problem was caused by another factor. I did a factory reset to see if it could correct it.
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NiZii. said:
Just wondering but does that really work since it's an external battery?
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I have tried it but it seems that the problem was caused by another factor. I did a factory reset to see if it could correct it.
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NiZii. said:
What capacity (mAh) do you want?
Verstuurd vanaf mijn HTC One X+ met Tapatalk
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Click to collapse
Try the one from Xiaomi.
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Related

Did this look right?

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What are we supposed to be looking for?
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Looks like you correctly uploaded a screen shot! ..... Sure, it's correct! ......
Sorry my battery stats. I'm coming from the razr hd and I know the razr has 2500, but this seems to drop like crazy
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How much screen time is the key, even on WiFi. Screen kills this battery. Appears like you have a LOT of on time.
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I think 4 or 5 hours
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donebrasko said:
I think 4 or 5 hours
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What's your point? Most phones last way shorter than that. Be lucky that it lasted that long! Unless you have a maxx or somethine, this is really good battery life.
If you're not satisfied with the battery life order an extended battery, I just got my Anker 4400mah battery today and so far I'm loving it! The extra bulk actually makes it easier to hold and use the phone.
Sent from my Verizon Galaxy S III using xda-premium
You charged your phone a bunch of times.
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I had a maxx so maybe I'm used to that. My last phone was a razr hd. Here is right now with 18 min.screen time. While sending this it has dropped to 68. If this is normal let me know. I may have to go back to razr hd. I'm on stock but thinking about cyanogen.
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donebrasko said:
I had a maxx so maybe I'm used to that. My last phone was a razr hd. Here is right now with 18 min.screen time. While sending this it has dropped to 68. If this is normal let me know. I may have to go back to razr hd. I'm on stock but thinking about cyanogen.
Sent from my SCH-I535 using xda app-developers app
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What's your screen brightness level? You can't have it at 60-100% plus all the crap I see is running and expect out of this world battery life. A ROM change isn't going to help you there.
EDIT: Look at your awake time compared to your screen on time, whatever all those apps you have running are, they're eating up your battery, check mine out below. You really need to stop a lot of that stuff from running all the time, your battery life will increase exponentially.
Sent from my Verizon Galaxy S III using xda-premium
My screen is like at 20%. I keep it that low all the time. I'll post a picture of what's running
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donebrasko said:
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Something is draining your battery, like mentioned maybe rogue app, like wolf put it best.try rescan media, it'll help.I have a 2200mah anker battery.vs stock.I run plenty of apps no power saver options on.
Also no I don't do bump charging, this is off one straight charge
Clean Romed&themed the [email protected]#out
Bro, did you really think it would even come close? You came from the King (well, N2 might have that now).
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donebrasko said:
I had a maxx so maybe I'm used to that. My last phone was a razr hd. Here is right now with 18 min.screen time. While sending this it has dropped to 68. If this is normal let me know. I may have to go back to razr hd. I'm on stock but thinking about cyanogen.
Sent from my SCH-I535 using xda app-developers app
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All that red in your signal line really kills the battery too. The phone is constantly pinging looking for a signal that but can't find. At least is my non-technical understanding.
A new radio may help. Or putting the phone in airplane mode when you are in a bad area
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Hulk0069 said:
Something is draining your battery, like mentioned maybe rogue app, like wolf put it best.try rescan media, it'll help.I have a 2200mah anker battery.vs stock.I run plenty of apps no power saver options on.
Also no I don't do bump charging, this is off one straight charge
Clean Romed&themed the [email protected]#out
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Click to collapse
Rescan media, is that an app
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donebrasko said:
Rescan media, is that an app
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Yes it's an app
Here ya go just install and run
https://play.google.com/store/apps/details?id=com.addz.mediascanner
Clean Romed&themed the [email protected]#out
Why did you charge so many times? Running the battery down most of the way then fully charging tends to keep your batteries stronger longer.
goclimbarock14 said:
Why did you charge so many times? Running the battery down most of the way then fully charging tends to keep your batteries stronger longer.
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Hmmmmmm... I've read just the opposite
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ZeroLemon Battery

Let's post some ZeroLemon battery stats screen shots? I wanna see how amazing it's working for you guys! Cause it truly is amazing!
Here are mine thus far on my first cycle:
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I just ordered mine. I can't wait.
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williamweaver said:
I just ordered mine. I can't wait.
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You will not be disappointed!
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This was my first cycle.
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jlikes08 said:
This was my first cycle.
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Damn, that Android OS looks like it was a bit high, eh?
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jakereeves31 said:
Damn, that Android OS looks like it was a bit high, eh?
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Yeah I didn't get it under control till about 70% but by then the damage was done.
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Final results for the first cycle
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I'm contemplating getting one.
How's the weight/feel/look with that beast on there? Any interesting tidbits? Things one should know or decide before buying?
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Does it effect reception or gps signal?
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My best one. Could've got two days, but I was on it alot.
PsiPhiDan said:
I'm contemplating getting one.
How's the weight/feel/look with that beast on there? Any interesting tidbits? Things one should know or decide before buying?
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It makes it a little heavier and bulkier, but I like it better that way. It's amazing all around in my opinion. No quirks or anything other than its hard to kill
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Has the price for this battery been going up? I am trying to decide if I should jump on this or wait a little.
llama555 said:
Has the price for this battery been going up? I am trying to decide if I should jump on this or wait a little.
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I'm not sure. But why wait when you can get it now!
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$31.99 on amazon
sent from my slightly modified verizon S3
Running Liquid Smooth and RErick's 3/12 peg zen settings.
This is absolutely unbelievable.
.: Sent from my S3 with the power of 7000 Lemons:.
Has anyone used the zerolemon 2300mah battery? I wonder if it is worth the $20 on amazon right now. Currently on my stock battery I get around 2 hours of screen time before I'm at 20%. Really would like to get more than that while keeping the stock battery form factor.
Pretty impressive.
Where yall toggling data or anything?
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cgrugger said:
Pretty impressive.
Where yall toggling data or anything?
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Yeah I have a lot of things off.
Like sync, backlight on the hardware keys, data and WiFi toggled when not in use.
.: Sent from my S3 with the power of 7000 Lemons:.
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packerjd04 said:
Has anyone used the zerolemon 2300mah battery? I wonder if it is worth the $20 on amazon right now. Currently on my stock battery I get around 2 hours of screen time before I'm at 20%. Really would like to get more than that while keeping the stock battery form factor.
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I just got the set of 2300mah batteries. The shipping was super fast and they were well packaged. They come with a wall charger that also has USB power outlet. I forgot to check the specs on the charger before I left.
I'm charging one of them up right now and I'll get the 2nd going after work today. The directions state the need to initially charge it for at least 12 hours. That seems a bit excessive. Zerolemon also says that you'll need to do 5 charge/discharge cycles before optimum performance.
The only odd thing I noticed is that they recommended discharging fully every time. Everything I've read states that you shouldn't do that with Lithium-Ion.

Erratic Battery

My girlfriend is having serious issues with her Desire S. The battery can be full and yet it powers off. As you can hopefully see from the photo, the battery level spikes drastically.
Any suggestions?
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how old is her battery? and she has a lot of wakelocks
22 months?
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chrisa86 said:
22 months?
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I think its the answer. Battery mb dead. Try to calibrate it and if u have time install Nova Battery Tester and check the battery.
I had same problem buying new battery solved it
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Switching AC charger! (help)

Can I use AC charger from another phone?(from chinese phone)cause mine came with useless British one.
Details:
Phone-xperia sola
Charger-from chinese replica star x26i wich was quite good phone... Still works.
If i can use it will it harm my phone or it s battery?
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pa4ka16 said:
Can I use AC charger from another phone?(from chinese phone)cause mine came with useless British one.
Details:
Phone-xperia sola
Charger-from chinese replica star x26i wich was quite good phone... Still works.
If i can use it will it harm my phone or it s battery?
Sent from my MT27i using xda app-developers app
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Click to collapse
yes.u can
usually there is no difference.but quality.
.
.
press thanks
Yes but will do any damage for the battery?
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pa4ka16 said:
Yes but will do any damage for the battery?
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Nah probably wont...
Thanks.
I ll hit "thanks" when I will be at home... Don t see this option in android app version
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pa4ka16 said:
Can I use AC charger from another phone?(from chinese phone)cause mine came with useless British one.
Details:
Phone-xperia sola
Charger-from chinese replica star x26i wich was quite good phone... Still works.
If i can use it will it harm my phone or it s battery?
Sent from my MT27i using xda app-developers app
Click to expand...
Click to collapse
Yes, it is possible
Oh well... So should go go for it?
Where can i buy Europien charger for this phone? I might buy the real one if it s not to expensive.
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pa4ka16 said:
Oh well... So should go go for it?
Where can i buy Europien charger for this phone? I might buy the real one if it s not to expensive.
Sent from my MT27i using xda app-developers app
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sure!!
Seems to work. It's now finishing charging. Will see how the batterry will last then... previously it lasted 2 days and few hours with more than normal use and I charged it thru USB cable connected to my PC.
Charging takes about 2 hours or more just as my x26i did.

Original charger charging at half speed?

Recently my original charger only charges at 700ma vs the original 1200-1300 ma before. Now my phone charges half as fast, which is an annoyance but not a huge problem. Anyone got any ideas?
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I had the same problem from day 1 when i received the phone. I contacted Google and they wanted me to send them the complete set of phone and box to send me a replacement. I simply used an older usb charger that came with my older phone.
I think its a quality or defect problem.
filthygoat223996 said:
Recently my original charger only charges at 700ma vs the original 1200-1300 ma before. Now my phone charges half as fast, which is an annoyance but not a huge problem. Anyone got any ideas?
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Just out of curiosity, how are you measuring the current draw?
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premo15 said:
Just out of curiosity, how are you measuring the current draw?
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Using battery monitor widget
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Even on my s4 charger that's a 2.1 I am only pulling max at 1500 -.-
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filthygoat223996 said:
Using battery monitor widget
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Really? How do you see the "absolute" input current? I thought bmw only showed the difference between the charge and drain currents...
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toxicpaulution said:
Even on my s4 charger that's a 2.1 I am only pulling max at 1500 -.-
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That is normal and avoids damaging the circuitry
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