You hear a chime when charging begins (unless your apple watch is in silent mode) and see a charging symbol on the watch face.
29+ How To Tell If Apple Watch Is Charging
Pictures. You can also plug the charging cable into a usb port. If your battery power is low, you'll see on the screen of your apple watch.
How Nightstand Mode Works On The Apple Watch from www.howtogeek.com
From the video we can obviously conclude that charging using the 6 pin accessory port is slightly faster than wireless inductive charging. Before accusing any surrounding elements, let's see if the watch is even charging. Remove apple watch protective case.
If the battery is going through, you should see a green lightning bolt appears on the screen.
If your watch requires charging, a red lightning bolt appears on the screen. I found a simple solution for when your apple watch will not charge! If the battery is going through, you should see a green lightning bolt appears on the screen. The symbol is red when apple watch needs power and turns green when apple watch is charging.