iPhone adapter

What exactly making impact on iPhone charging rate

Almost we have to charge the iPhone every day,we certainly hope that charging rate is sooner, unfortunately, the charging speed is sometimes getting slower and slower, what exactly making impact on our iPhone charging rate?
usb-charging-cable-and-charging-adapter
NO.1 the charging temperature
The temperature is the main factor easily overlooked. At extremely low or hot temperatures, low temperature protection mechanism will lead to that the lithium battery material does not chemically react, that’s why the iPhone can not be charged or charging speed slows down. Please try to charge the iPhone At 15~25℃.
NO.2 unpaired iPhone USB charging adapter and iPhone USB charging cable
Please do use original USB charging adapter and USB charging cable with official configuration pairing iPhone or tablet accordingly,if you use the iPhone USB adapter to charge iPad, you’ll find the charging speed is pretty slow.Take the iPhone 6 for example,please use the iPhone 6 USB charging cable and USB charging adapter to charge it.
package-of-usb-charging-cable-and-charging-adapter
The current USB charging cables support varies for versions of iPhone. If charging slow, it is likely that you do not pick the right iPhone charging cable, please mark accordingly them to distinguish different iPhone charging line.
NO.3 annoying dust
if you not clear up the iPhone USB charging cable port and iPhone charging port,the longer the lifespan of the iPhone,the more the dust accumulated,that’s why the charging rate of iPhone is getting slower and slower, timely wipe the dirt on the usb charging cable with alcohol, use a needle or toothpick to clean the iPhone charging port carefully, or the charging port is equipped with dust plugs.
NO.4 charging tip
l. the charging rate is basically fastest when the iPhone is powered off, if you do not want to shut down, the flight model is the best choice to accelerate the charging speed.
2. avoid access the iPhone to host USB port to charge.
3. avoid charging the iPhone unless the iPhone battery low battery alarms.
Article from http://blog.onu-mall.com/index.php/2016/01/29/what-exactly-making-impact-on-our-phone-charging-rate/