Concerning hardware issue with recharging a battery

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0
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3answers
301 views

Apple iPhone 4 does not recognize my DC car charger

Apple iPhone 4 does not recognize my DC car charger AC charger works fine. I bought a new DC charger and it still does not recognize that charger. I took it back and exchange it for another one and it ...
3
votes
2answers
908 views

Does iPad battery charging utility like Battery Boost Magic pro really make a difference in prolonging iPad's battery life?

Do battery charging utilities such as Battery Boost Magic pro or Kingsoft battery doctor really make a difference in prolonging the life of an iPad battery?
0
votes
2answers
16 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 ...
0
votes
2answers
2k views

iPhone 5 not charging via USB from PC [duplicate]

I charge my phone using my PC all the time, and it's been only a week that since I bought my iPhone 5. Now I can't charge my phone with my PC. What could be the problem thats causing my phone to not ...
8
votes
3answers
1k views

How to disable battery charging?

From the pmset man page: POWER SOURCE ARGUMENTS -g with a 'batt' or 'ps' argument will show the state of all attached power sources. […] Certain Apple battery calibration tools may ...
1
vote
1answer
24 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 ...
3
votes
4answers
956 views

MacBook won't sleep while charging

An ongoing problem: my MacBook Pro (i5, 2.4ghz, 15") won't sleep while charging. I close the lid, but I don't get the pulsing "sleep light", it just stays fully illuminated. If I listen closely, I ...
2
votes
3answers
192 views

How can I tell if a 30-pin USB cable for an iPhone is genuine?

I have many of the 30-pin USB cables for the iPhone, and I would like to determine which are authentic Apple and which are not. (Over the three years that I owned an iPhone 4 and my wife an iPhone 4s, ...
1
vote
1answer
2k views

My Windows 7 Lenovo laptop won't detect my iPhone 4S but it will charge it?

For the last 5 months my iPhone 4S won't connect to my Windows 7 Lenovo laptop or iTunes. It will charge in 2 of my USB ports, and I've tried 3 different cables. I've tried following tips off Apple ...
2
votes
2answers
701 views

Macbook Pro Mid-2010 15" is not charging with dim green light

I have spilled a bit of water on the keyboard of my Macbook Pro this Monday. It continued working just fine. So, I took it home, and 2h later, when I pluged the charger in, the light turned into a ...
0
votes
0answers
25 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 ...
3
votes
1answer
16k views

Is it safe to use my US iPhone/iPad charger with a simple European plug adapter?

I'm using the US wall adapter that came with my iPhone to charge it: When I travel to Europe, is it safe to use this with a simple US-European adapter, or do I need a transformer or some other ...
1
vote
1answer
434 views

How can I charge and output audio from iPhone 5 in a car?

I want to charge my iPhone 5 and listen to the music using AUX in my car. How can I do this using one cable? I have such a cable for my iPhone 4. Is there any good option for iPhone 5?
0
votes
1answer
108 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 ...
3
votes
2answers
2k views

How can I charge a mobile phone on my MacBook Air (like I used to be able to)?

I used to be able to turn my macbook air on, plug in an android phone, then close the lid and the phone would keep charging. Note, this was not the same as charge-and-sleep, which works all the time ...
1
vote
1answer
2k views

How do you turn on a iphone 4 when your power button doesn't work and your phone wont charge?

This is the second time my phone turns off on full battery and I cant turn it back on last time i waited two days i guess it drained the battery and all but this time my phone was on 30 % I've called ...
0
votes
0answers
34 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 ...
0
votes
1answer
1k views

My iPad Mini won't turn on after charging

Last night I went to use my iPad and found the battery was completely drained. So, I charged it, after a few minutes it turned back on, and I looked at the battery symbol and it had said that it was ...
1
vote
2answers
65 views

iPod dock with amplified line out and charging?

I have an Aux connector in my car that I'm plugging my iPod into via the headphone outputs. It's almost OK, but the sound quality isn't what it could be - the levels are too low, and cranking up the ...
1
vote
1answer
37 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
131 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 ...
3
votes
3answers
3k views

Can I safely charge an iPhone 4S with a 5V 2A source?

I just bought a New Trent IMP99D external battery, to keep my phone alive while gaming during long-haul flights. It has two USB ports to connect to, one which supplies 1 amp at 5 volts, another which ...
1
vote
2answers
134 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 ...
17
votes
3answers
6k views

Is it OK to charge my iPhone with my iPad charger?

I have an iPhone 4 and an iPad. Since the iPad really charges best off the wall charger I keep it plugged in, but I usually just charge the iPhone off the computer. Although frequently if the iPad ...
3
votes
1answer
43 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
24 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
157 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 ...
2
votes
2answers
2k views

Will iPhone 4 turn on automatically when charging?

If my iPhone 4 dies, will it turn back on automatically after I put it on charge? The reason I ask this is my lock button is broken and I'm afraid to let my phone die. What should I do?
2
votes
2answers
270 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 ...
4
votes
5answers
9k views

Which Macbook Pro USB port should I use to charge an iPad?

I heard that one of the two USB ports provides more power, decreasing the charging time. Still, I forgot which one is the powerful one. I would be nice to give a hint that's easy to rememeber ;) It ...
2
votes
2answers
77 views

Prevent iOS device from sleeping if plugged to charger

This is available in Developer options in Android's system Settings. I'm trying to look for an equivalent in iOS. This is great if I want the screen to be always visible for screen ...
1
vote
1answer
416 views

iPhone 4 cannot be charged via power supply after iOS 7 update

Using an iPhone 4 and a original power supply (a1357) + cable (usb) i am not able to charge the phone. However connecting my phone to the pc (windows) it will be recognized and charge. This ...
16
votes
10answers
54k views

Can I use my iPhone charger for charging other USB based devices?

Is it OK to use my iPhone charger for charging other USB powered devices like the Kindle or a digital camera (with a rechargeable battery)? Can it cause any damage to the charger or to the device ...
1
vote
2answers
2k views

Why does my battery drop with 1% within a minute after removing the charger?

I just got a new iPhone 5S a week ago. Works perfectly aside from the fact that the battery tends to act weirdly. As mentioned in the title, when I remove the charger the battery percentage drop by a ...
0
votes
0answers
375 views

Brand-new iPhone 4S won't charge or Sync with iTunes, but is recognized by it

So I bought a brand-new iPhone 4S three days ago and it all worked fine. I loaded my iCloud backup from my old 3GS and tried to sync so I get all my music back on my phone. I didn't have much time, ...
0
votes
2answers
38 views

What counts as a partial charge for my rMBP?

I just recently decided to switch over to the Mac for the first time by buying the latest Retina MBP (which shipped with Mavericks). I use it like a commuter where I have it unplugged for a couple of ...
1
vote
2answers
67 views

How can I force a Mac laptop to shutdown when the battery is below 25%?

It is common wisdom that Lithium-Ion batteries should not be left with 0% charge. However, some users might not be aware of this common wisdom, or simply refuse to concern themselves about proper ...
3
votes
1answer
8k views

Will it damage my iPad if I use an iPhone charger to charge it?

I have the opposite issue of this question: Is it OK to charge my iPhone with my iPad charger? I want to use my iPhone charger (plugged directly into main electricity) to charge my iPad. I've noticed ...
0
votes
1answer
74 views

New MacBook Battery and charging

I bought a new battery as my old one cut out the system. Since installing the new one its been acting really strange. It's been sitting around 2-5% charge for the past few hours and now I've got it ...
2
votes
1answer
85 views

How can I power my MacBook Pro during trans-Atlantic flights?

What is Apple's solution for powering MacBooks on intercontinental flights? My 85 watt power supply trips most airline seat power supplies, which are rated at only 75 watts. What's a poor ...
0
votes
0answers
56 views

Macbook charger/MagSafe DC-in drive issues?

Hello everyone—I'm having really bizarre issues with my macbook charging. Prepare for a lot of information. The facts are these: I have an A1286 15" unibody macbook pro My genuine apple 85w ...
2
votes
2answers
201 views

Can I charge my Samsung Omnia W with MacBook Pro USB port?

Currently, I am using a Samsung Omnia W and mostly I am using my MacBook Pro's USB port for charging it. Is it fine for charging the battery in the mobile phone? Sometimes, I have received a 'high ...
0
votes
1answer
178 views

Will the retina iPad Mini charge with non-certified cables?

I just bought a retina iPad Mini. Tried 3 different cheap lightning cables, none will charge it. Tried with 12W and 5W USB chargers. It will only charge with the Apple cable that came with it. But ...
3
votes
5answers
2k views

How to charge iPad (v1) on a Windows device

I have an iPad (first revision) and want to charge it using my Windows laptop. It doesn't want to charge and I've read quite a lot about it now (this one here amongst others via Google), but I haven't ...
0
votes
0answers
63 views

How to charge the MacBook Pro from 12 Volts?

Aim: I would like to charge my MacBook Pro (MBP) form a 12V lead-acid battery. However there are no official chargers from Apple for that purpose. There exist quite some alternative products on the ...
1
vote
1answer
9k views

iPhone 4S - sudden drop in battery percentage

I've bought a half-year-old iPhone 4S a couple of weeks ago and I just ran into a really weird issue the third time now: the battery percentage would suddenly drop 30-40-50%. One minute, it's, say, ...
1
vote
4answers
2k views

Is there an iPhone 4 car kit for charging, music, and hands-free calls?

Is there an iPhone 4 compatible Car Kit which supports charging, playing Music through the car stereo + Hands Free Calls? I've looked at a few kits, eg from Parrot but not many (if any?) seems to be ...
0
votes
5answers
10k views

Troubleshooting a MacBook Pro that is not charging from power

My MacBook Pro isn't charging, the light on the charger isn't lit, and the battery image indicates it is not charging . The computer is approximately a year old. I've tried multiple outlets, so I ...
2
votes
3answers
3k views

Out of warranty MBP ,Burned Magsafe port and frayed charger cable - repair option and cost?

I have a MBP 15" 2011 model and has is the burned magsafe port (leftmost pin melted) which i noticed today. The connector gets too hot sometimes ( but remains ok when I charge in sleep mode). ...
0
votes
0answers
436 views

Can not charge iPhone 5 from Macboook after Mavericks upgrade

I have a Macbook and usually have it plugged into power. I then connect iPhone 5 via USB port to charge the iPhone - it has worked for 3 years. I updated my software to Mavericks last week and now ...