Database Users

Charging takes forever

I received my Epic yesterday, and so today I'm doing my first full charge. I've had it plugged in for almost three hours now, and I'm only at 50%. Is anyone else experiencing this?

are you charging it on the wall or on a pc? and are u using it alot while charging?

It's connected to my PC. And I'm not using it at all.

hockeymike said:
It's connected to my PC. And I'm not using it at all.
Click to expand...
Click to collapse
most USB are low power. You should use the wall charger the first time.

usb is slated to run at 500mAh, doesnt mean it cant go over it.. but thats what most of them do. ac charges at least 1000mAh..

Well that would explain it. Thanks!

shabbypenguin said:
usb is slated to run at 500mAh, doesnt mean it cant go over it.. but thats what most of them do. ac charges at least 1000mAh..
Click to expand...
Click to collapse
ROFL, don't mean to be rude, but try reading the adaptor it comes with, the wall adapter is 700mah, lower than what came with my 3 year old blackberry, I'm using the wifes old cube from her iphone now, thats a full 1 amp.

robl45 said:
ROFL, don't mean to be rude, but try reading the adaptor it comes with, the wall adapter is 700mah, lower than what came with my 3 year old blackberry, I'm using the wifes old cube from her iphone now, thats a full 1 amp.
Click to expand...
Click to collapse
Hm.. No wonder I noticed it took forever on the wall charger also.

Is there any advantage to having a lower power charger? If I could find a micro usb charger that provided 1 amp, would that detrimentally affect my device?

hockeymike said:
Is there any advantage to having a lower power charger? If I could find a micro usb charger that provided 1 amp, would that detrimentally affect my device?
Click to expand...
Click to collapse
no it shouldn't, the thing has a 1500mah battery I believe. 1.5amps and less is fine. cablematters has a package for 5 bucks that has wall charger and car charger that are 1000 mah. and all IPHONES use 1000mah

hockeymike said:
Is there any advantage to having a lower power charger? If I could find a micro usb charger that provided 1 amp, would that detrimentally affect my device?
Click to expand...
Click to collapse
The amperage is really just the max amount of power the charger will supply. Many times, the actual power draw will be lower than the maximum of the charger..

robl45 said:
ROFL, don't mean to be rude, but try reading the adaptor it comes with, the wall adapter is 700mah, lower than what came with my 3 year old blackberry, I'm using the wifes old cube from her iphone now, thats a full 1 amp.
Click to expand...
Click to collapse
ah well would explain some of your guys issues, i have a lot of usb to ac adapters and the one for the epic is still sealed for myself..

[Q] charging my new galaxy tab 7+

Hi there... is there any other way to charge tab 7+ battery beside using it's own plug head? can't it be recharged by plugin the usb cable to pcs like any other phone? Thanks in advance!

nolane said:
Hi there... is there any other way to charge tab 7+ battery beside using it's own plug head? can't it be recharged by plugin the usb cable to pcs like any other phone? Thanks in advance!
Click to expand...
Click to collapse
Yes it can, but you'll only get a trickle charge from a PC with Samsung products.

meaning i can't charge it in the car as well is it?

nolane said:
meaning i can't charge it in the car as well is it?
Click to expand...
Click to collapse
Yeah, sure, but you'll need a usb charger for the lighter and it will probably only trickle charge.
There's an adaptor that you can get that modifies the connections specifically for Samsung products so they get a full charge from USB sockets that aren't the charger. I've had a look on ebay buy can't find one. I got one just for a couple of quid, so if you can find one of them then it'll solve the trickle issue.
I'll keep looking and see if I can find it for you - you do the same
Edit: Found it... http://goo.gl/3iqI1

I charged via USB from my PC this night. It went from around 25% to 99% in 8 hours. So it's charging, but not too fast.

It is a 7.7 forum not 7 plus and about the problem the device is actually charging from usb but not showing, turn your device off while connected to pc and you will see yourself
Sent from my HTC HD2 using XDA App

It all depends on the charging current. A USB port only provides a maximum of 500mA whereas the Samsung charger provides up to 2000mA (2A). That's the reason why every tablet out there comes with its own propietary charger.
Turning the tablet off is the best you can do when charging via USB.
Sent from my GT-P6800 using XDA App

There are motherboards with 1Amp USB ports, mine has one but it charges the device at a very very slow rate!

Need help. My Transformer won't charge anymore

Hi,
I hope someone can help me. My Transformer doesn't charge anymore since yesterday.
Tablet was around 10% when i put the charger in, but the message 'Connect your charger'doesn't go away.
Strange thing is that whenever i plug it in and TF is off, it will turn on, so I guess the wall charger and cable are functioning.
Also when connecting it to my PC I can sync.
I've tried already all the solutions i could find online:
- put the wall charger in the freezer --> didn't work
- cold boot --> didn't work
- factory reset --> didn't work
- tried a different wall charger and connected the wire to a portable battery --> didn't work
- flashed the ROM again --> didn't work
The only way now i have for charging my TF is by USB (connected to PC while turned off). It will charge this way but it takes about 3 hours to get 10% charge from this.
Anyone had this happen already before?

So you tried multiple Asus wall chargers? with no luck? A standard USB charger will not work as those have an output voltage of 5+ when the tf requires 12+.
Sounds like you have a bad charger, you can join the club of thousands... It is a very common issue and not always resolved by the freezer or fiddling trick. If you are able to trickle charge via a PC connection then your cable and tf should be good.
Sent from my SAMSUNG-SGH-I997 using XDA

Link for another discussion where I listed an alternate charger
http://forum.xda-developers.com/showthread.php?p=23917818
It really is heads and tails better than the Asus one
Sent from my SAMSUNG-SGH-I997 using XDA

theraffman said:
So you tried multiple Asus wall chargers? with no luck? A standard USB charger will not work as those have an output voltage of 5+ when the tf requires 12+.
Sounds like you have a bad charger, you can join the club of thousands... It is a very common issue and not always resolved by the freezer or fiddling trick. If you are able to trickle charge via a PC connection then your cable and tf should be good.
Sent from my SAMSUNG-SGH-I997 using XDA
Click to expand...
Click to collapse
No, I tried with a different wall charger (from Motorola). I don't think it's the wall charger though, but to make sure I wil connect it to a phone and check if it's working.
It just feels like the cable and wall charger is working as it should (tablet powers up or screen turns on when I plug it in), but the tablet refuses to charge.
Could it be the pins?
Sent from my GT-I9100 using xda premium

And the motorola USB charger puts out at least 12 volts and not just 5. Is it the wall charger for the zoom? I was UN aware that the zoom used a USB type charger (similar to the tf).
Once again, you can't use just any USB wall charger for the tf... 99% of chargers put out the standard 5 volts which is enough to trickle charge a tf and to slightly charge it in done cases when powered down. I am only adamant about this this because I have sewn this post a hundred times, and 99 of those times it was the charger... Many people don't realize the tf USB charger is very coherent then what most folks are accustom to, even though it looks and acts similar to others.
The only way to confirm is to find someone who has a tf and borrow their charger, our go to radio shack and buy the charger I listed... Which you should do any ways because it's is way way better, my charging cord over all length is 10ft. Beats the hell out of the 2 or 3 you normally would have.
Sent from my SAMSUNG-SGH-I997 using XDA

theraffman said:
And the motorola USB charger puts out at least 12 volts and not just 5. Is it the wall charger for the zoom? I was UN aware that the zoom used a USB type charger (similar to the tf).
Once again, you can't use just any USB wall charger for the tf... 99% of chargers put out the standard 5 volts which is enough to trickle charge a tf and to slightly charge it in done cases when powered down. I am only adamant about this this because I have sewn this post a hundred times, and 99 of those times it was the charger... Many people don't realize the tf USB charger is very coherent then what most folks are accustom to, even though it looks and acts similar to others.
The only way to confirm is to find someone who has a tf and borrow their charger, our go to radio shack and buy the charger I listed... Which you should do any ways because it's is way way better, my charging cord over all length is 10ft. Beats the hell out of the 2 or 3 you normally would have.
Sent from my SAMSUNG-SGH-I997 using XDA
Click to expand...
Click to collapse
Thanks for your replies.
You're right, the Motorola wall charger is only 5v output. It was the one I got with the Milestone. I do start to believe it might be the wall charger after all now.
Unfortunately I don't know anyone else with a TF (anyone reading this lives in Ghent, Belgium with aTF?). Radio Shack isn't an option either since I live in Belgium, but I'll try to find overhere or online.
Anyway, appreciate your help. Might try the freezer thing again in the meantime... you never know.
When you connect your TF to a pc on a usb 3.0 port, should you be able to see the TF charging? Or no way to get more the 5v from this too?
Sent from my Transformer TF101 using xda premium

do u know anyone with an ipad? sure the wall chargers are 15w out and should do the trick.

Alta1r said:
When you connect your TF to a pc on a usb 3.0 port, should you be able to see the TF charging? Or no way to get more the 5v from this too?
Click to expand...
Click to collapse
USB is 5V. No exceptions.
What you can do is build your own PC charger, like the one in my sig.

scottyf79 said:
do u know anyone with an ipad? sure the wall chargers are 15w out and should do the trick.
Click to expand...
Click to collapse
Cheers man, my colleague has an ipad. Will ask him to bring his wall charger.

Goatshocker said:
USB is 5V. No exceptions.
What you can do is build your own PC charger, like the one in my sig.
Click to expand...
Click to collapse
I might try that, but only if I have no other choice (i fear i'll blow up my TF while doing that).

usb chargers are 5v only and will charge but take all day. The TF charger uses the physical usb plug to do double duty. transfer data via usb and charge device using 15v when the charger block sees a gnd signal on pin 7. Charging is not usb. There are several after market chargers that have variable output voltages and an asst of connectors (usb being one) best one is dynex video charger. Also you should not attempt to flash a ROM with 10% charge as you could get stuck in the middle of a charge and have problems.

Well, it was the wall charger after all. Went out to buy a power adapter with 12v and 1000mA output and the tablet is charging again. Many thanks to all people that replied and tried to help me.
For your info: ipad or galaxy wall charger aren't working with our TF's, they both only have an out put of 5v.
Sent from my Transformer TF101 using xda premium

Alta1r said:
Well, it was the wall charger after all. Went out to buy a power adapter with 12v and 1000mA output and the tablet is charging again. Many thanks to all people that replied and tried to help me.
For your info: ipad or galaxy wall charger aren't working with our TF's, they both only have an out put of 5v.
Sent from my Transformer TF101 using xda premium
Click to expand...
Click to collapse
Never allow your charge level fall below 30% because it will cause your charger to overheat and eventually stop working.

car charger

Any idea why I can't seem to charge my Nexus 7 with my car charger?
i have both a generic Micro USB charger and I have one of the dual USB ports that you put into the cigarette lighter. It wont even acknowledge that I have plugged anything into it.
i have used the USB port to charge MANY different cell phones my old Dell Streak 7 and even a friends iPad.
Any ideas?

joeclark said:
Any idea why I can't seem to charge my Nexus 7 with my car charger?
i have both a generic Micro USB charger and I have one of the dual USB ports that you put into the cigarette lighter. It wont even acknowledge that I have plugged anything into it.
i have used the USB port to charge MANY different cell phones my old Dell Streak 7 and even a friends iPad.
Any ideas?
Click to expand...
Click to collapse
I think the N7 needs 2A to charge. a single USB is 500 mA and the dual 1A, so I don't think there's enough power.
Also check if the output of your microUSB cigarette charger is 2A

zaphyr said:
I think the N7 needs 2A to charge. a single USB is 500 mA and the dual 1A, so I don't think there's enough power.
Also check if the output of your microUSB cigarette charger is 2A
Click to expand...
Click to collapse
well i think that answers my question. thank you

This one will work: http://www.amazon.com/gp/product/B0090SVY3K/ref=oh_details_o02_s00_i00
It charges at the same rate as the stock AC charger.

The N7 is one picky device for charging. I have several chargers for the car that charge the iPad but not one will charge the N7. Same as AC chargers. This set works for me
http://www.amazon.com/dp/B008FF84K0/ref=pe_175190_21431760_M2T1_ST1_3p_dp_1

This is what I use and it works just fine. I use it to charge my N7, GNote, Nook Color or my grandsons IPhone and it works equally well on all of them.
BTW, it prime available if you are a member.

dparrothead1 said:
This is what I use and it works just fine. I use it to charge my N7, GNote, Nook Color or my grandsons IPhone and it works equally well on all of them. Very unobtrusive and I like the fact that the fuse is easily accessable.
http://www.amazon.com/Ultra-Compact...sr=8-2&keywords=ultra+compact+usb+car+charger
BTW, it prime available if you are a member.
Click to expand...
Click to collapse
That is exactly what I need to get.
Thank you.
Sent from my Nexus 7 using Tapatalk HD

It only charges via usb when the screen is off or when the device is off. Try plugging it in checking the battery % leave it awhile and then recheck the battery % you may find its gone up!
Sent from my GT-I9000 using xda app-developers app

Using a Type A to type C cable?

I have a weird question that I've tried to search on here and on google but maybe I'm just wording it wrong!? But basically I need a longer cable. I would like to get a Type A to Type C cable and take advantage of the many fast/regular charging ports I have at home. However I'm worried about ruining the device's battery in the long run. I know nothing about chargers and all that so I could just be paranoid? Let me know what u guys think
Basically to sum it up, I'm wondering can i use the fast charging block I got from the nexus 6? I know what cables work but I'm wondering mostly about the charging block end of it

I don't know if USB A/3.1 cables are rated for 3+ amps. I've used a 2 amp charger with a usb A/3.1 cable to USB C and it worked fine, but don't have a 3 amp USB A wallwort or USB C to A extender to try with the one that comes with the nexus.

Zerqz said:
I don't know if USB A/3.1 cables are rated for 3+ amps. I've used a 2 amp charger with a usb A/3.1 cable to USB C and it worked fine, but don't have a 3 amp USB A wallwort or USB C to A extender to try with the one that comes with the nexus.
Click to expand...
Click to collapse
Wouldn't the 3 amp be pointless as the phone only has charging 2.0? I could be way off with that statement by the way lol

I've got this A to C cable, and I love it: http://www.amazon.com/Charger-iOrange-E-Reversible-Connector-ChromeBook/dp/B010VFFRCE
2m is a good length for me, and it works really well with my turbo charger from my Droid Turbo.
As far as a C to C that you can use with the charging brick that came with the 6P, this one would probably do the trick: http://www.amazon.com/TouchTonic-US...qid=1449102918&sr=8-1&keywords=usb+c+cable+2m

WYO1016 said:
I've got this A to C cable, and I love it: http://www.amazon.com/Charger-iOrange-E-Reversible-Connector-ChromeBook/dp/B010VFFRCE
2m is a good length for me, and it works really well with my turbo charger from my Droid Turbo.
As far as a C to C that you can use with the charging brick that came with the 6P, this one would probably do the trick: http://www.amazon.com/TouchTonic-US...qid=1449102918&sr=8-1&keywords=usb+c+cable+2m
Click to expand...
Click to collapse
Thanks! The iOrange one is the same exact one I bought just now! I'm gonna use that cable with one of my Motorola fast chargers for the Nexus 6! Obviously it won't fast charge but it's good to know it won't harm my device!

Simer03 said:
Wouldn't the 3 amp be pointless as the phone only has charging 2.0? I could be way off with that statement by the way lol
Click to expand...
Click to collapse
Well the wall charger that comes with your nexus 6P outputs 3 amps.
And it does charge the phone a bit faster in my experience, than a 2 amp one does. I assume if the AtoC cable you got passes the tests and actually meets usb C spec it'll work fine with 3 amps though.

Simer03 said:
Wouldn't the 3 amp be pointless as the phone only has charging 2.0? I could be way off with that statement by the way lol
Click to expand...
Click to collapse
The 6p stock charger is rated 5 volts at 3 amps. So yea the phone was designed to utilize 3 amp current.
Source: I'm an electrical engineer.

Just to check, if I needed to a very long cord to charge with (I am happy to sacrifice fast charging for a longer cable) would using a regular charger (http://www.amazon.com/Cygnett-CY0355POGUS-Groove-Charger-Smartphones/dp/B00DMJ9U66/) with a USB-A Extension cable (http://www.amazon.com/Belkin-Pro-USB-Extension-Cable/dp/B0002Y6CYM/) and then a USB A-C cable (http://www.amazon.com/dp/B00WJSPFOW/) be good or would that harm things?
Basically the Extension would plug into the wall charger and then the USB A-C cable goes from the Extension cable to the phone.

dontbeweakvato said:
The 6p stock charger is rated 5 volts at 3 amps. So yea the phone was designed to utilize 3 amp current.
Source: I'm an electrical engineer.
Click to expand...
Click to collapse
Ah good to know! Well at home I don't need fast charging so I'm gonna use the stock charger at work and the longer one at home! Thanks for the info guys

Simer03 said:
Wouldn't the 3 amp be pointless as the phone only has charging 2.0? I could be way off with that statement by the way lol
Click to expand...
Click to collapse
It has USB 2.0, which refers to data transfer speeds, which is a separate thing from the 3A charging.