User Manual
Changing and Charging the Battery
The TI-84PlusCE graphing calculator comes with a:
• TI rechargeable battery
• USB computer cable for transferring files and charging the battery
Note: Charge the battery for at least four hours to ensure optimum
performance.
The battery status icon on the upper right of the screen gives information on
battery life.
The battery icons indicate the level of battery power remaining, and indicate if
the battery is charging.
Battery is 75% to 100% charged.
Battery is 50% to 75% charged.
Battery is 25% to 50% charged.
Battery is 5% to 25% charged.
Battery is charging.
Warning:
• RAM memory will be lost if the battery charge is lost. You should back up
or archive your variables if your battery power gets low.
• Displays this message when you turn on the unit.
Using Accessories 59