Plug your phone in and wait for it to charge.—seems like such a simple, straightforward process that there really shouldn’t be any need for extensive directions. But when it comes to charging Apple devices, any kind of rules can pretty much go out the door.
Of course it’s possible to use a portable charger for your Apple mobile devices—a USB hub is a sound means of charging your iPad, iPhone or iPod, but there are some rules to charging these devices that you must keep in mind. Some of these rules are just suggested or encouraged while others are required in order to get maximum effectiveness of charge—or in some cases, to get the device to charge at all.
Charging your iPad
An iPad will charge with a USB power adapter and a high-powered USB port. Unfortunately, some ports do not offer enough energy to charge the iPad. In these instances, a message will appear on the iPad screen stating the device is “not charging.” This message will be visible directly beside the battery icon.
Connecting your iPad to a computer with a USB power adapter means your iPad will still charge and charge well. However, it may charge at a somewhat slower rate. If you are using a standard USB port on your computer, the only way your iPad will charge is if it is in sleep mode and the computer is turned on. If the computer is off, the iPad will not charge.
It’s also important to note that if you are connected to a computer’s USB 2.0 port, the computer cannot be in standby, sleep, or hibernation mode. Any of those circumstances will prevent the device from charging. The computer itself must be plugged in for it to charge the device.
Charging Apple Devices
It is possible to use a multi-device USB hub in order to charge more than one of your mobile devices simultaneously. However, your hub must have ample power supply if this is to be made possible.
iPhones will still charge—although slowly—, but an iPad will not. The 100 milliamp rate is actually better suited for charging something like a mouse rather than an iPad. It’s also possible that the port might just shut down without warning, in which case you will need to reboot.
The best solution is a self-powered USB hub, like we offer at Ohming Technology. A product like our Charge M.E multi-port USB essentially lets the host know that it can provide the necessary current and prevent any error message. It can charge up to eight devices at the same time without needing to be connected to a computer.
For more information about the Charge M.E., visit our Shop section or contact us.
Source:
“Charge the battery in your iPad,” Apple Support, last accessed December 20, 2015; https://support.apple.com/en-ca/HT202032.
Paul Romanenko
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