2
votes
1answer
125 views

How much power can be drawn from the lightning connector by a external device?

How much power can be drawn from the iPhone/iPad lightning connector by a external device? Update: The use case is a audio-related device for iPhone/iPads. It would require around ~100 mA at 3,3 ...
0
votes
2answers
6k views

iPad screen is black and won't turn on after charging and resetting

Yesterday I dropped my iPad 3 but luckily the screen did not crack. However the screen is now black and will not turn on. I can still here sounds from the iPad. How can I fix this? What I tried: ...
1
vote
0answers
98 views

Can an iPad be charged while acting as a USB host?

I have an iPad that I would like to leave semi-permanently connected to a USB hub (connected to a couple of MIDI controllers and some USB speakers). As it stands, I have to remember to unplug it ...
1
vote
0answers
2k 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 ...
5
votes
1answer
375 views

At what point do iPads stop displaying “not charging” when connected to power?

I am curious if anyone has measured directly or found an authoritative reference that documents at which point the various iPad will display charging and not "not charging" in the menu bar while ...
2
votes
2answers
4k views

Does having Bluetooth enabled draw extra power when no devices are connected?

I generally turn off Bluetooth on my Macs and iOS devices when I'm not actively using a Bluetooth device. My assumption is that this saves battery life, but I realize that I have no fact to back that ...
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 ...
9
votes
2answers
757 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?
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 ...
16
votes
6answers
8k 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 ...