Texas Instruments TI-84 Plus CE Getting Started page 75

• Do not mix brands (or types within brands) of batteries. There is a risk of explosion
if a battery is replaced by the wrong type.
Disposing of Batteries
Do not mutilate, puncture, or dispose of batteries in fire. The batteries can burst or
explode, releasing hazardous chemicals. Discard used batteries according to local
regulations.
70 General Information