Concerning hardware issue with recharging a battery

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17
votes
5answers
10k 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 ...
18
votes
6answers
18k views

iPad displays “Not Charging” when plugged into USB ports. What can I do?

When I plug my iPad into my computer's USB ports, the iPad battery area displays "Not Charging". I understand the iPad requires more wattage to charge compared to an iPhone or iPod, as evidenced by ...
26
votes
4answers
42k 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 ...
46
votes
7answers
23k views

What are the best practices for battery longevity?

How do you maximize the cycle count of your battery? There seems to be a debate between: Leave plugged in 24/7 but do a full cycle once a month Charge to ~100%, drain to ~10%, repeat. NOTE: ...
12
votes
2answers
5k views

Should I use the adapter or the battery?

I want to know when my MBP's battery was fully charged it's better to unplug my adapter and use my battery power or still let use adapter power? I somewhere read that when MBP's battery was fully ...
3
votes
2answers
15k views

Using iPhone while charging and when charged

Is it OK to use an iPhone 4 that is fully charged while keeping it plugged to wall outlet? I am worried about stressing battery too much since it is charging and discharging at the same time. Any ...
4
votes
1answer
123 views

What's the best way to prolong the lifespan of a Macbook Pro battery?

I have two Mac book Pros: A 2013 Unibody retina that I use every day An older 2006 model with removable battery that I use a couple of times a month (when not in use, it's not connected to the AC. ...
2
votes
2answers
15k views

Are non-Apple lightning cables and power transformers safe to use?

I need to buy an Apple 12W USB Power Adapter for my iPhone 5. In eBay you can find replicas for one third of the price. Do you know if these can ruin your phone? I am more cautious about a third ...
1
vote
3answers
9k views

Battery is not charging despite SMC reset

I have a problem with charging of my Battery which has been appeared last night. It was working perfectly well for a long time. All of my friends who had different laptops were so jealous at my ...
43
votes
10answers
79k views

Can I use 45/60/85W MacBook chargers interchangeably?

I have a 13" Macbook Pro that came with a 60W power adapter and a 15" Macbook Pro that came with a 85W power adapter. Can I use either adapter with either laptop? There seems to be disagreement in the ...
8
votes
5answers
104k views

Why do iOS devices take such a long time to turn back on?

Often I will realise my iPhone or iPad is about to run out of battery, run around the house looking for a charging cable and plug, and get back just in time to see the screen go black and the little ...
18
votes
11answers
106k 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 ...
10
votes
2answers
902 views

Why can my Mac charge my iPad but other computers can't?

What do Macs do differently so its USB ports can charge my iPad, but if I plug into a USB port on my PC I get the "not charging" message?
4
votes
1answer
769 views

Is it safe to use the 12W iPad 4th gen power adapter for earlier iPads and iPhones?

The older iPads have 10W power adapter (charger), and the iPhones supposed use only 5W chargers. But the iPad 4th gen, probably due to the larger power consumption, uses a 12W power adapter / charger....
4
votes
1answer
5k views

iPad Charging USB Hub? [duplicate]

Possible Duplicate: When I plug my iPad into my computer USB ports, iPad displays “Not Charging”. What can I do? Newer MacBooks provide enough juice through the built-in USB ports ...
0
votes
2answers
2k views

Is it better for the battery to leave the iPad plugged when charging is done?

I charge my iPad. Later, I notice that the battery is charged at 100 %. Now, what is better to preserve the battery capacity ? Unplugging the cable. Leaving the cable plugged. The answer may ...
7
votes
6answers
46k 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 ...
5
votes
4answers
4k views

Using an iPod charging cable to charge an iPad

I lost the original plug-in charger that came with my iPad. I have tried using my iPod cable to charge my iPad (plugged into the USB port of my Windows laptop) but the iPad will not charge (or at ...
5
votes
5answers
9k views

Can the Apple 10W USB charger be used with a 7-port USB hub to charge iPad 2, iPhone 4S, and other devices at the same time when traveling?

When traveling, I probably will have the iPad 2, iPhone 4S, a USB backup charger, and some misc devices such as a Kindle Fire and a Sony digital camera that uses USB to charge its battery. So instead ...
4
votes
1answer
409 views

Need a dock/cable that can charge through AC while connected to USB

[I'm an iPhone newbie, I hope the question isn't too stupid] I want to be able to put my iPhone 4 in a dock and have it connected to my computer for syncing, but I want it to charge from an AC ...
3
votes
1answer
476 views

How to disable the “this cable or accessory is not certified” message on iPhone?

The message "this cable or accessory is not certified and may not work reliably with this iPhone" pops up whenever I use a 3rd party USB cable for it. It's really annoying, because then I'd have to ...
3
votes
2answers
14k 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?
3
votes
3answers
6k 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
6k 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 updates/...
2
votes
3answers
769 views

iPhone: How to prevent maximum screen brightness when charging?

I've set my screen brightness to about 50%. This works fine for me, except that the setting seems to be ignored when it's charging: then it's 100%. I've got a desktop charging stand on my bedside ...
1
vote
1answer
2k views

Why isn't my iPhone 4S charging (apparently) only in some places?

I charge the phone at home using the Apple wall adapter that came with the phone and an Amazon basics 30-pin-to-USB cable. I have been doing so for over a year (i.e. since I purchased the cable). I ...
1
vote
0answers
3k views

iPad 4 not charging solution with usb 3.0 dual ports Y adapter

Just recently picked up an iPad 4. Saw that it specifies "not charging" when plugged into the usb port. Saw that it is a common issue due to usb power. I have usb 3.0 ports on my desktop so I tried ...
1
vote
1answer
31k views

iPhone 4S - sudden drop in battery percentage

I have an iPhone 4S 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, 69%, the next minute it's 25%. If I put it ...
0
votes
1answer
233 views

I know my battery should be replaced, but is that all of the problem? (Update)

Updated: I am using a MacBookPro8,1 with a non-replaceable battery. Recently that battery charging status was saying,Replace soon. But it was working fine and kept enough charge for my daily works. So ...
0
votes
1answer
1k views

If we run out of battery and then charge iPhone, will it turn back on?

I just called by my lawyers 133 times for some very important message. My iPhone is just 3 meters in front of me being charged. Finally my lawyer come to my apartment and we both saw that the iPhone ...
0
votes
0answers
443 views

Macbook randomly shuts down without on charge (even at ~90% full)

I'm having a real issue with my Macbook (white, late 2009 version, running Lion OS X). It was about since 2 weeks ago or so, my Macbook would just randomly shut down, I lost a couple unsaved files ...
0
votes
1answer
1k views

How to preserve MacbookPro battery from degradation? [duplicate]

Platform: OS X: Yosemite 10.10.4; MacbookPro 15" Retina (mid-2015). Fact: There is aging for battery in any case - using or not. But while using - there is difference of how to use. My questions - in ...