How To Check Iphone Charging Speed. If youre using an iPhone youll have to do with the extra complication of dongles which add additional hassle and potentially futz with the charging speed themselves. Legion Meter installs in seconds and is fully plug and play.

Ampere Battery Check can help you with the following tasks. I did a similar test already but with an iPhone that supports fast charging officially. We left the iPhone X charging for 15 and then 30 minutes recording the battery percentage at each time.
Measure your battery charging speed compare your chargers and charging wires.
I did a similar test already but with an iPhone that supports fast charging officially. Just check the charging capacity of your device at the percentages that you used above. Connect the PD Analyser to the USB-C charger. There isnt a notification or alert to indicate your iPhone is using fast charge.
