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iPad 3 charging issues

I have had my shiny new iPad plugged in overnight with it's included iPad charger (it was displaying some context for some of that).


I have just woken up and it's only at 39%!!!! Now I know that it's meant to take longer to charge but that is unbelievable!?


As I said I'm using the lead and charger it came with, the only exception is I'm also using a usb extension lead inbetween as the plug is quite far away. I used the same lead with my iPad 2 every night and it charged fine and fast.


It also kept displaying not charging when plugged into my PC (which is definitely high powered ports).


Should I be booking a genius bar appointment do you think!?


Thanks!

iPad 2, iOS 5.1

Posted on Mar 18, 2012 2:42 AM

Reply
374 replies

Apr 9, 2012 7:12 PM in response to katinak67

83% charged in 5 hours Hmmmmmm????


It does not add up, are you sure???


What about your run away heat losses in your charger. The longer it is charging the more inefficient the charger becomes.


Are you sure you didn't charge your iPad 3 in the freezer overnight for 5 hours???


Because it still doesn't add up, this means there was no heat losses, this is not possible.


iPad 2 which has a 25 Watt battery on the 10 Watt charger charges from zero battery charge to 100% in around 3 to 4 hours depending on how hot the iPad 2 is and how hot the charger is.


I have an iPad 2 and its charging time varies between 3 to 3.5 hours and that is only a 25 Watt battery.

Since iPad 3 has a 42.5 Watt battery, you expect people to believe you charged 83% of 42.5 Watt which is 35.275 Watt in 5 hours with the exact same specification charger.


USB 2 charges at an optimal 5 Volt at 1.5 Amp maximum current. So 7.5 Watt every hour for a 35.275 Watt capacity would equal 4.7 hours. Now this is ideal condition absolutely NO HEAT LOSS. Since we live in the real world the charger is operating at 5 Volts at 2 Amps to account for the heat losses and you would have us believe that the charging of 35.275 Watts took only 5 hours, are you sure??


Maybe you have a 24 Carot Gold charger, where can I get one?

Apr 9, 2012 8:53 PM in response to waitamoment

Believe me waitamoment, I am completely flummoxed! I don't have an overheating problem like some, yes it does get a little warm every now and again, but seriously? NOT very. I don't have a problem with wifi connection at all. And yes, the battery charged that much in a little over 5 hours. Ok...so I'm knocking wood as I write this because I really don't want to jinx it considering all the discussions I've been reading about mostly these three issues. I feel very lucky.

Yes I am sure. No it's not made of gold. Its plugged into the wall, not my computer. The charger itself (the square box thing that the USB plugs into) does get pretty warm, but I figure if I can pick it up and hold it in my closed fist every couple hours to check that it's not super hot, then it won't pose a fire hazard. (although I'm not stupid enough to leave it plugged in unattended. And it also gets just as warm when I use the dock to charge it)

I also marked my iPad USB cord right when I unpacked it so I wouldn't get it mixed up with my iPhone one, which I was told will make the iPad charge much slower.

I honestly don't know what else to say, except if something DOES eventually go wrong, believe me I will be on the phone with Apple in a second. I expect my pricey electronics to work perfectly just like everyone else, and if it doesn't? I'm not going to sit and b**** about it, I'm going to take care of it, pronto.

Apr 9, 2012 9:42 PM in response to apoc_reg

If people choose not to read on the solutions... and keep on complaining... without even trying... then they deserve to be stuck with their frustrations till they get over it...

famerpig has posted a "solution" that had worked for him, and people should listen and try to follow the same to resolve the problem.


here's a pic of the solution proposed by famerpig, of which i am trying myself after receiving my ipad3...


u can keep whinning, and complain about what went wrong with apple, or try the solution and get on with your ipad3 life... or simply return your ipad3 and ask for a refund... =_=|||


/___sbsstatic___/migration-images/180/18088108-1.jpg


User uploaded file

Apr 9, 2012 10:30 PM in response to katinak67

My original iPad recharged about 20% an hour. I've measured my new iPad 3 charging about 17% an hour, or a bit over five hours to recharge. This hasn't been consistent, and some evenings it seems to take longer than others, but I have no heat issues (my gaming is limited to Solitaire Deluxe). I'm completely satisfied with the trade-offs Apple made to push out this product.


I'm saddened that some here are very dissatisfied with the new iPad. Apple probably could have used a smaller battery if the smaller die LTE had been ready, but it wasn't, and the masses were ready for a refresh. I was one of those, and the new iPad is an enormous improvement over my first generation iPad. I've compared it to my spouse's iPad 2, and the differences there are more problematic. There doesn't appear to be any compelling reason for an iPad 2 owner to replace it. The new Retina display is very nice, but I'm an avid reader and was completely satisfied with my original iPad for reading. If I had an iPad 2, I would have waited.

Apr 9, 2012 10:59 PM in response to oceanx2k

I find that hard to believe. Please tell me your iPad setup such as screen brightness, location services, etc, and what exactly you did for your test. If you can, please record this 5-7 minutes per 1% charge while watching HD clips on youtube that you claim. I haven't gotten anything nearly that fast with any of my new iPads. I have two to test with and one of them I exchanged 5 times and never witness anything charging nearly as fast as you claim.

Apr 9, 2012 11:17 PM in response to atl7187

1. have u tried the restore method?

it does seem to download a new software during the restore...


2. have u checked this site for your production week?

http://www.chipmunk.nl/klantenservice/applemodel.html

Name: iPad 3

Model Number: MC076

Group1: iPad

Group2: WiFi

Generation: 3

Machine Model: iPad3,1

Model introduced: 2012

Production year: 2012

Production week: 12 (March)

introduced test: GOED

Colour: Black

Capacity: 32GB

Factory: DL (China - Foxconn)


3. if u don't believe in what i am telling u... it's really up to you... but if u have not tried the restore method and u did not check your production week... i have no idea what fuss u r trying to make.. i dont have the time to do video clips as i m in office right now.. (GMT+8), u can either try the restore method first... and i have mentioned in previous posts that 4G models will consume more battery power, so it's not sensible to compare ipad3 4G model and WIFI models on their power consumption...

so far it's charging fine and is charging up while being used with the supplied adaptor... and usb cable...

will only be able to test after tomorrow after i have fully charged it overnight, and start to use it without being charged over mains...


also note that david mash is also getting 17% per hour... which is quite reasonable charging speed considering the new bigger battery.


one thing i have noted tho, it does not seem to charge over USB via PC. if i am not wrong, it requires high current USB ports to charge (certain motherboards have the fast charge adv... those ports should charge up ipads fine)


4. i didnt even bother to try to test the ipad3 after i have received it... i just went with the restore method immediately...

Apr 9, 2012 11:54 PM in response to atl7187

i have just tested with youtube video clip - london fireworks... full hd bbc , with brightness at 100% and auto...


i drained the battery to 98% with naruto clip... followed by the london fireworks...


then from 98%, i plugged into mains, and started playing london fireworks again...

it went from 98% to 100% within 5 mins...

but i would consider it as a 1% jump... as it did not show me 99% at all, it jumped from 98% to 100% at about 5mins of the london fireworks clip show.


if u havent tried any solutions... u should try them... factory restore from itunes seem to work fine for me...


if u have tried the solutions and still getting battery issues, then check your production week and factory. it's likely that certain production week's products got battery/hardware/software issues. mine's week12, which is like the 3rd/4th week of march without checking calander... many ppl who got the first hand ipad3 have the Feb to early march production week products... and it may differ from factory to factory

Apr 10, 2012 12:22 AM in response to oceanx2k

AT&T New iPad #1:

Name: iPad 3

Group1: iPad

Group2: WiFi-4G

Generation: 3

Machine Model: iPad3,2

Model introduced: 2012

Production year: 2012

Production week: 8 (February)

introduced test: GOED

Family name: A1430

Screen size: 9 inch

Screen resolution: 2048x1536 pixels

Colour: Black

Capacity: 32GB

Factory: DM (China - Foxconn)


AT&T New iPad #2:

Name: iPad 3

Group1: iPad

Group2: WiFi-4G

Generation: 3

Machine Model: iPad3,2

Model introduced: 2012

Production year: 2012

Production week: 11 (March)

introduced test: GOED

Family name: A1430

Screen size: 9 inch

Screen resolution: 2048x1536 pixels

Colour: Black

Capacity: 32GB

Factory: DM (China - Foxconn)


Verizon New iPad #3:

Name: iPad 3

Group1: iPad

Group2:

Generation: 3

Machine Model: iPad3,3

Model introduced: 2012

Production year: 2012

Production week: 3 (January)

introduced test: GOED

Family name: A1403

Screen size: 9 inch

Screen resolution: 2048x1536 pixels

Colour: Black

Capacity: 32GB

Factory: DL (China - Foxconn)


AT&T New iPad #4:

Name: iPad 3

Group1: iPad

Group2: WiFi-4G

Generation: 3

Machine Model: iPad3,2

Model introduced: 2012

Production year: 2012

Production week: 6 (February)

introduced test: GOED

Family name: A1430

Screen size: 9 inch

Screen resolution: 2048x1536 pixels

Colour: Black

Capacity: 32GB

Factory: DN (China, Chengdu - Foxconn)


FINALLY, AT&T New iPad #5:

Name: iPad 3

Group1: iPad

Group2: WiFi-4G

Generation: 3

Machine Model: iPad3,2

Model introduced: 2012

Production year: 2012

Production week: 12 (March)

introduced test: GOED

Family name: A1430

Screen size: 9 inch

Screen resolution: 2048x1536 pixels

Colour: Black

Capacity: 32GB

Factory: DM (China - Foxconn)


Like I said I exchanged 5 times, actually it's 4 times but 5 different iPads. I have already tried the restore method on my 2nd New iPad, but it didn't fix anything so what's the point in doing the restore on all the other exchanged iPads. Also, all the New iPad's had the cellular data off and only using wifi. I've played and tested a lot of different things with all my New iPads and all across they had consistent issues. In one case, my 4th New iPad had the brightess screen with the cool white as oppose to the yellowish white or warm white. In all cases I completely ran down the battery and did a full cycle charge. Your test doesn't tell me anything, testing your New iPad when it's nearly at a full charge will not be consistent. Usually at 100% the battery would drain and jump straight to 98%, what happened to 99%. Try your test again, but maybe away from the extremes...not too close to 100% or 0%. I've played with many New iPads, and have spent hours in the Apple Store witnessing all kinds of issues such as the Verizon 4G LTE iPad while plugged in clearly showing that its charging go down 90% to 89%. Your suggestions doesn't do anything for me. I don't know how many New iPads you've come across, but there are definitely some issues with the New iPad. Just cause your New iPad is so so perfect, doesn't mean everyone else's will be.

Apr 10, 2012 12:37 AM in response to atl7187

quote: my ipad3 is a WIFI only model as opposed to your 4G models... and my ipad is charging fine while i m using apps and playing youtube videos... and i will check again tomorrow when i depleted the battery to recharge from 5~10% ish...


if u have read the posts, i have mentioned repeated that there is definitely issues with the new ipad3. the problem is how to solve the problem.


apparently the new cpu and 4G power consumption is simply too high for the charger to keep up with? and because i saw this post regarding the battery issues, i ordered the WIFI version instead of the 4G version... as it was apparent that even if the software issue is solved, the power consumption issue at hardware level will not be solved easily. i have highlighted in my earlier posts that if the software reset/update solves the user interface problem, there still might be a hardware issue.


unfortunately, this can only be tested by more electronic aware ppl with the right tools. ie. compare 2 identical production week, same factory, ipad3s, 1 being factory shipped out state, and 1 with the restore to factory via itunes. and compare the actual physical power consumption at the

1. 5v charging point

2. battery point in the ipad3

3. screen power point

4. cpu power point

5. 4G network power point


it might also be sensible to compare 4G and WIFI models to see if there's any difference. - identical production week, same factory rule applies.


i have read through most of the posts, and it does pin-point towards the 4G power consumption unless i miss out something.. and for the record, i turn off dictation, location services for my ipad3. i do the same for my iphone as that saves battery life when i m on the go.


i bought a 3.1amps charger, and a 8800mah mobile charger... but i saw the back of the ipad3 that reads. max 2.1amps.... so i m not too sure if it will charger higher than 2.1amps lol... most likely not if there's hardware restriction or software restrctions

iPad 3 charging issues

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