Select from options: Continue writing the next sentence.

How to keep low power mode on after the battery charges on an iphone
Charge your iphone.
Connect the usb/lightning cable that came with your device to your iphone and to the charger.
Monitor the battery level.

Available choices: A. The reading should be at 64%, but some operating systems will need a closer read. If the reading is low, you should safely charge your phone. B. Using a multimeter, look for your battery level. If the reading is different then the battery is dead and you need to switch it off. C. Keep an eye on the battery percentage, until it's charged between 75 and 80 percent. Remove your iphone from the charger. D. There is no way to check the battery level on your iphone without tapping it gently with your finger. Allow the battery to charge for about two minutes and then remove it.
Answer:
C.