1, iPhone battery belongs to the lithium polymer battery, there is no memory effect, so it is absolutely no need to charge and discharge every time.
2. Fill in with the use, and don't let the cell phone be in a high power running state for a long time.
3, because the battery has the chip to calculate the electricity, in order to calibrate, a full heavy discharge should be done every month.
4. Charging in a stable and ventilated environment is beneficial to the maintenance of the battery.