![Apple iPhone 15 Pro Max](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-cf357547-a755-45c8-a97a-ef06b1951946.png?width=150&height=320)
Apple iPhone 15 Pro Max
iOS 17
1. Charge the battery
Connect the charger to the socket and to a wall socket.
When the battery charging icon is displayed, the battery is charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4e0a301b-8826-40d3-b994-0d46d5c32b22.png?width=212&height=458)
When the phone is turned on, you can always see the battery power level. The larger the coloured section of the battery icon, the more remaining battery power.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f44299dc-4f7a-4300-9782-d4e0bd965755.png?width=212&height=458)