Texas Instruments TI-30X IIB battery

1 × 3V lithium coin cell

Printed IDs: TI-30X IIB

How to replace it

Notes	Follow TI guidebook / support article for your model.

Last checked 7 October 2026

TI KB 12257 — IIB vs IIS same battery type
Manufacturer support · education.ti.com
TI KB 12685 — TI-30X IIB CR2025
Manufacturer support · education.ti.com

Texas Instruments TI-30X IIB uses 1 × CR2025.

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