Is It OK to Use an iPad Charger for an iPhone?
Yes, it’s safe to charge your iPhone with an iPad charger. Based on the compatibility chart on Apple’s 12-watt USB Power Adapter product page, the more powerful charging brick is compatible with iPhone models from the iPhone 5 and later. Furthermore, if you have a 30-watt adapter, the compatibility page for the 30-watt adapter states it is compatible with the iPhone 8 and newer.
Does iPhone Charge Faster With iPad Charger?
If you charge your iPhone with your iPad charger, your iPhone will charge as normal, and once fully charged, it will stop charging because iPhones have battery technology that stops charging once completely full. You may get some fast-charging benefits from charging your iPhone with your iPad charger. In fact, according to Apple, fast charging for iPhones works with 18W, 20W, 29W, 30W, 61W, 87W, or 96W USB-C Power Adapters.
What Happens if I Charge My iPhone With an iPad Charger?
You should see no differences (other than the length of time it takes to charge your iPhone) when you’re using your iPad charger for your iPhone. However, note that if you try to charge your iPad with the lower wattage iPhone charger, it will still charge, but it will take longer.
