Texas Instruments TI-80 User Manual

Service and Warranty Information B-5
Push the red switch all the way down to free the metal battery
cover over the upper battery.
Slide the metal battery cover away from the battery.
Remove the old battery. Insert a new battery, positive side (+)
up.
Changing the
Batteries
(Continued)

Texas Instruments TI-80 Specifications

General

Brand	Texas Instruments
Model	TI-80
Category	Calculator
Language	English