Tagged Questions

Concerning hardware issue with recharging a battery

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0
votes
2answers
16 views

Does a battery's remaining power drop consistently regardless of remaining charge?

how does the remaining battery life when plugging in factor in to the overall amount of usable computer time? E.g., with a full-charged deep cell battery, a fully-charged laptop, a power inverter, ...
1
vote
0answers
20 views

Estimating battery life remaining while charging in OS X

Retina Macbook Pro's battery life is amazing, and it is handy having an accurate estimate of how much longer it will last on the remaining charge, in hours and minutes. While charging however, it ...
0
votes
0answers
42 views

iPhone 4S on iOS 8 slow wake response

When the iPhone is charging, the response is quick. When it is not charging, sometimes the response lags. The lag is like this when not charging: Presses home/power button. Delays 1-2 seconds before ...
0
votes
0answers
18 views

Mavericks: pmset ChargeInhibit

I'm running Mavericks on a mid-2012 Macbook Pro. I read that in Mac OS X 10.6 pmset could be used to prevent the battery from charging. I've been using my Mac with AC power a lot lately and I thought ...
1
vote
1answer
31 views

Does Macbook Air (mid 2013) bypass battery after it's charged?

I have a MBA mid 2013. I was wondering if a MBA is plugged in charge, does it bypass battery after it's fully charged? Because while I am working it's always plugged, I wonder how this will affect ...
0
votes
2answers
32 views

Does a driver exist to step up a PC USB 3.0 port to charge an iPad at 12W?

The iPad Retina requires 12W to charge. It appears the Mac has special non-usb-standard drivers that step up the USB 3.0 port to provide the extra power for charging. My question is: Does a driver ...
0
votes
1answer
50 views

Why does my Mac start up immediately when plugged in, while my iPhone needs to start up?

What causes the difference between my mac an my iPhone, where my Mac can boot and become useful immediately after being plugged in, while my phone needs a couple of minutes before it can even start to ...
1
vote
1answer
70 views

Getting a < 75 Watt charger for a macbook pro due to flight constraints

My MacBook Pro with Retina display (Mid 2012) charger has a rating of 85 Watts. I want to use it on a flight from Sydney to Los Angeles. (24 hours). (Airbus A380-800). You can plug in an AC ...
0
votes
1answer
62 views

MacBook Pro - Only runs while MagSafe charger connected

My 2013 MacBook Pro only runs while the MagSafe power charger is connected. Model Number: A1425 (EMC 2672) When the charger is disconnected system immediately powers off (no shutdown). MagSafe ...
-1
votes
1answer
28 views

Macbook battery problem

I have a MacBook 13" (A1181) running Mac OS X 10.6.8, I have a problem with the battery When its turned off it responds to power button only when charger plugged in. After starting i can remove the ...
-5
votes
1answer
3k views

IPAD MINI WONT TURN ON!!! even after charging and it doesnt show a battery symbol

Ive got an ipad mini, and it is completely dead. I mean dead as it doesnt come on at all even if i charge it over a day. It doesnt even show a battery symbol when you turn it on. ive tried all the ...
1
vote
0answers
138 views

Disparity between “Charge remaining” and “Full Charge Capacity” on relatively new MacBook Pro?

I have the latest retina MacBook Pro. While looking at some statistics, I saw the following: My computer is currently on 100% charge (charger is plugged in), and it seems odd that the difference is ...
0
votes
1answer
43 views

What is the ideal charging behavior for a new Retina MacBook Pro? [duplicate]

I've called Apple Support a bunch of times, but I got conflicting answers. To my knowledge, new technology makes it okay to keep the charger plugged in non-stop, but I want to make sure I am properly ...
0
votes
0answers
22 views

do i have a bad battery or macbook?

I have a 2007 17" MacBook pro and the battery stopped holding a charge. I did not have enough money to buy a apple one so I bought third party battery. The battery will charge to full capacity and the ...
0
votes
0answers
157 views

iPod touch 4th generation will not charge, what might be going wrong?

I have a friend who has a fourth generation iPod Touch. Today she told me that they had tried five different chargers and she still cannot get it to charge. What might be causing this and how might we ...
1
vote
1answer
48 views

new iphone 3gs dead battery

i bought a new sealed iphone 3gs from vodafone store ( yes brand new one, it seems that they got some stored old phones of different brands and models ) the problem is that this iphone wont charge by ...
0
votes
0answers
146 views

My charger for my white macbook isn't charging

I was actually on my macbook like a few days ago and the charger was working GREAT. However a few days later like 3 more days later it stopped working. It was a LIGHT green and then it would get ...
0
votes
0answers
61 views

iPhone acting on its own

Something weird was happening with an iPhone when we used it with a 12V output, it started to do thing (press the screen) by it self. The power setup was like this: Solar power battery 12V to 220V ...
0
votes
0answers
19 views

Bad grounding with 3rd party Lightning cable?

We have bought a 3m USB Lightning cable on Amazon for charging our iPads. We use the original Apple wall plug with it. The metal casing of the iPad feels slightly tingly when plugged in. I had thist ...
2
votes
0answers
301 views

iPad Air Not Charging on Left USB of Retina MBP '15

I am trying to charge my iPad Air via the USB ports on my '15 Retina Macbook Pro. When I plug it into the port on the right side of the device, it charges fine, but when I plug it into the left-side ...
0
votes
1answer
55 views

iPad will not charge

I can transfer data from trough a genuine Apple cable from my iPad to a PC but the same cable will not allow my iPad or iPhone 4s to charge battery using a multi point USB hub connected to a power ...
2
votes
1answer
48 views

Possible to charge iPhone through other means?

I am too cheap to purchase a USB charging connector for my iPhone, so I was wondering if there's a way to create a USB cable at home or use some other USB cable and get the job done safely. For ...
0
votes
1answer
76 views

Effects of Current Fluctuations on Charging

iPhones, iPad, etc, all have their optimal specifications for charging. A power source that does not meet those specification results in a slow charge. However, what happens when the specifications ...
0
votes
1answer
34 views

my iphone5 is shutting down and has no power to turn on what do i do?

I've had my iPhone 5 for a year now but ever since iv had it it always had battery problems, i tried to replace it with a new battery but it would work for a day and the power off. Now when i try to ...
5
votes
3answers
4k views

Hot iPad charger wall adapter

The charger that came with my iPad Air the square adapter that plugs into the socket stays warm even when nothing is connected other than that it works perfectly fine. I was wondering if this ...
1
vote
1answer
258 views

Can an underpowered charger actually help my Macbook battery's longevity?

I have just upgraded from a Macbook Air (Late 2012) to a Macbook Retina (Late 2013). Now I have a 45W and a 60W charger, both MagSafe 2. Using iStat Menus and Battery Health for monitoring voltages ...
0
votes
0answers
384 views

How many times can a iPhone 5/iPad 2 be charged with Rechargeable Tyre Inflator

I am thinking about buying a Rechargeable Tyre Inflator with built in USB. Many of the devices available state the USB is compatible for Smart phone charging. But none specify what mAH total you can ...
2
votes
1answer
275 views

Why does the iMac charge my iPhone faster than the wall charger?

I've noticed that my iMac at work (21.5", Mid 2011) charges my iPhone 5 about 2-3x faster than the included wall charger. How does it do that?
1
vote
1answer
52 views

using Apple products abroad: just replace the plug?

For many Apple products, e.g. macbook air, or iphone, the power supply is the same for different countries, and it accepts a power range of 100-240V and 50-60Hz (which I think is a great idea, since ...
2
votes
0answers
66 views

Earthed (Grounded) Stubby Plug for MacBook AC Adapter

Much hay has been made of the apparent grounding issue while using the stubby plug on a MacBook AC adapter. While I understand it is completely safe to have a bit of grounding flowing through the ...
1
vote
0answers
23 views

Prevent Mac(bookpro) form sleeping while iPhone charges

I charge my iPhone by plugging it in my MBP. Until recently, if I closed my MBP when my iPhone was already connected, my phone kept charging. If you plugged it in when my MBP was already in sleepmode, ...
1
vote
1answer
71 views

Laptop charger plug differences

My Macbook Pro charger (purchased in the US) comes with two different plug attachments, one that fits directly into the body of the charger and one with an extension cord. For some reason, the short ...
2
votes
1answer
301 views

MacBook Pro Charging Issues

Last night I plugged in my MacBook Pro, and I noticed the light on the charger was a very faint green, hardly visible in bright light. Today I opened my Mac and noticed it stated 'batteries not ...
1
vote
1answer
84 views

Macbook Pro (Mid 2010) replacement power supply issue

I have a multi macbook/macbook pro household, made up of a 2006 mb, mid 2008 mbp, and mid2010 mbp models. I recently purchased a new 85 watt power supply and immediately noticed that it would not ...
1
vote
0answers
146 views

Why isn't my iPhone 5S turning on automatically when plugged in?

I have had iPhones since the iPhone 3G, so I know it's hardwired into iPhone behavior to turn on when plugged in. I got my 5S like half a year ago, but only recently it hasn't been turning on ...
5
votes
6answers
6k views

iPhone 5 does not work while charging

My iPhone 5 does not respond to swipes and gestures on the touch screen, while charging. The buttons work fine. What is this issue, I have on 2 iPhone 5 devices - so not only one. Rebooting does not ...
0
votes
2answers
1k views

Is there an iOS app that measures/reports the battery charging current?

I suspect my fake lightening cable charge my iPhone 5 much slower than my original lightening cable on the same charger. Is there an app that will display the current battery draw/charging current and ...
0
votes
0answers
2k views

iPhone does not react to charger unless turned off

I have my iPhone 5S for less than a week. I have charged it fully only once. Cable, charger and phone are new and from the box. When I connect it to the USB charger it does not display the lighting ...
0
votes
2answers
81 views

Does the iPad draw more current when charging?

I seem to be able to charge my iPhone 5 on a variety of USB chargers (car ones included). My iPad retina (iPad 4) seems to be very fussy about which chargers it will actually charge up on. (The ...
1
vote
1answer
362 views

Macbook Air mid 2013 not charging

I have a macbook air mid 2013 model. It worked with no problem till now. Today when I opened the macbook it shows no charge symbol(I mean when you press power button it shows a battery icon in a black ...
0
votes
0answers
101 views

Rugged iPhone 5S cable or wireless charging solution

I recently purchased a rugged iPhone 5S sync lead because I am heavy handed so the standard sync leads don't tend to last me any length of time at all. However, I was suprised to discover that it does ...
0
votes
1answer
4k views

iPhone 5 overheating and battery drains very quickly

My iPhone is always heated up even if I'm not using it. When I charge it, it heats up even more and battery drains very quickly. Its battery is currently fully drained for more than half an hour and ...
0
votes
0answers
264 views

iPod Nano doesn't get fully charged when connected to MBA

I've a 7th generation iPod Nano. And it's working fine. I usually used to charge it either by connecting it to a wall charger or through my iMac. And every time it got charged just fine. The battery ...
1
vote
1answer
119 views

Connected new charger with Macbook Pro. Both Macbook Pro and Charger stopped working. Any reasons?

My macbook pro charger stopped working sometime ago. In the meanwhile I have been using friend's charger without any problem. Today I bought a second hand charger and when I tried to connect it with ...
0
votes
1answer
1k views

My MagSafe to MagSafe 2 converter becomes extremely hot. Why?

Out of nothing, my MagSafe to MagSafe2 converter became extremely hot while charging. So hot, I could not even touch it. What could cause it? I've been using it so I can leave multiple old 85W ...
1
vote
2answers
1k views

iPad 2 charging very slow

My iPad 2 has recently become VERY slow to charge- about 1% every 10 minutes while plugged into my Retina MacBook Pro (my usual charging source). I've tried both USB ports on the rMBP and neither ...
3
votes
1answer
49 views

How many hours since I unplugged my Mac?

Mobile phones usually say this as "xyz hours on battery" by counting the time from when they are unplugged from power. Can I find out how many hours has it been since I unplugged my Mac from charging ...
0
votes
1answer
47 views

Droid base and iPhone cable for charging?

I just got an iPhone 5c. I had a Droid. I have several Droid charging cables. The Lightening charging cable I got with my iPhone detaches on the other end to a USB port. Droid charging cables come ...
2
votes
2answers
3k views

Are L-shaped and T-shaped Magsafe 1 interchangeable? [duplicate]

I want to buy replacement Magsafe 1 cable for my MBP 17" Late 2011, and they are available in two options — L-shaped and T-shaped. My computer was shipped with L-shaped connector, however I want to ...
2
votes
2answers
503 views

iPhone Not Charging When Plugged In?

My device is simply not charging while connected to my Windows 8 system. I've heard of my friends having this issue too. There is no connection issue, my computer recognizes it is plugged in, but I ...