Battery replacement
Tools
These are some common tools used to work on this device. You might not need every tool for every procedure.
Overview
The TI-84 Plus CSE was released in 2014. It was TI's first color graphing calculator in the TI-84 lineup. Unfortunately, it is also one of the worst calculators in the TI-84 lineup, due to it being underpowered. This calculator contains the same processor as the monochrome TI-84 Plus and had to use more resources to power the color screen, which in turn made the calculator very sluggish. Due to its poor performance, it was poorly received and was quickly discontinued, being replaced by the TI-84 Plus CE.
Hardware
CPU: z80 (6/16MHz)
RAM: 128K of internal RAM, 21K user-accessible
Flash (ROM): 4MB Flash ROM chip, 3.5MB user-accessible.
LCD: 320x240-pixel (140 DPI, 16-bit color, ILI9335 controller)
-Graph screen: 265x165 pixels for graphing
-Images: 133x83-pixel photos
Ports: 2.5mm I/O, mini-USB
Battery: Rechargeable lithium-polymer battery, ~5-10 hours of use
-3.7V, 1,200 mAh, 4.44 Wh
-Recharging: two terminals on the lower sides or a mini-USB port
-Battery Life: Officially 5 days of classroom use or 2 weeks of homework use
Software
Operating System (OS): 4. x
Boot code: 4.00
Programming: TI-BASIC, z80 ASM