1. Battery Capacity: Depends on battery model and capacity (mAh).
2. Battery usage type: Screen brightness, app usage, internet connection etc.
3. Device Age: Battery degrades over time.
4. Updates and Apps: Software updates and background apps can also affect battery life.
Generally, a full charge per day for new batteries can last 1-2 days with normal use. However, depending on battery quality and usage, it may be slightly lower or higher.
