Why My Phone Is Slowly Charging. IPhones can only charge at 5 volts but. Keep the phone battery charge between 30-80 to increase its lifespan.

Consider the wattage of your source when dealing with a slow charge and see if that is the cause of the issue. Phones will get to 80 quickly if youre doing a fast charge. Peer into the USB charging port and notice the small contact card the charging cable jack connects to.
Peer into the USB charging port and notice the small contact card the charging cable jack connects to.
If voltage is the speed water flows through the hose then amperage is the width of the hose or how much water can flow through at once. Apparently they are caused by the same set of things. Likewise if youre using wireless charging or even reverse wireless charging youre going to get a pretty glacial charge as well in comparison to a wall outlet. If voltage is the speed water flows through the hose then amperage is the width of the hose or how much water can flow through at once.

