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Rectangular flat lithium battery pack with smooth dark finish and connector tabs

Estry

Estry 3.7V 900mAh Lithium Battery for TI Nspire CX CAS TI-84 Plus CE

SKU CH-5RBZ-9PCG2

Replacement lithium cell delivers 3.7V and 900mAh for TI Nspire CX and TI-84 Plus CE calculators

  • Battery pack size1-pack
  • Battery typeLithium
  • Battery capacity900 mAh
  • Battery voltage rating3.7
  • Product typeBatteries
  • Compatible with TI-Nspire CX, TI-84 Plus CE and TI-84 CE calculators
  • 900 mAh lithium cell delivers 3.7 V and 4.81 Wh for extended graphing sessions
  • Built-in over-charge, over-discharge, over-voltage and short-circuit protection safeguards the calculator
  • Certified to ISO 9001, RoHS, CE, UN 38.3 and MSDS standards for safety and quality
  • Slim 52.7 x 42.88 x 4.8 mm pack weighs 48.0 g for easy installation

3.7V 900mAh Lithium Replacement

This Estry lithium battery replaces the original power cell in Texas Instruments graphing calculators. It delivers 3.7 volts and 900mAh capacity in a single pack. The cell measures 52.7 x 42.88 x 4.8mm and weighs 48.0g.

Calculators needing TI Nspire CX

Suits students and professionals who own a TI Nspire CX CAS, TI Nspire CX SELECT, TI Nspire CX or TI-84 Plus CE and need a fresh battery. Not for users whose calculator requires a different voltage, capacity or physical size.

Matches part numbers 3.7L12005SPA and P11P35-11-N01

The decisive specification is the exact part-number match. This unit carries part numbers 3.7L12005SPA and P11P35-11-N01. Verify that your device lists one of these numbers before purchase.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $10.99
Typical for this category: the median of 10,440 items is $10.99.

Specifications

Product
Product typeBatteries
Power
Battery typeLithium
Battery capacity900 mAh
Battery voltage rating3.7
In the box
Battery pack size1-pack

Questions about this item

Which calculators must I already own for this 3.7V 900mAh pack to fit?

It fits TI Nspire CX CAS Graphing, TI-84 Plus CE, TI-Nspire CX CAS, TI Nspire CX SELECT, TI-Nspire CX and TI-84 CE models.

Will the replacement sit alongside the original TI charging circuit without modification?

Yes, the pack matches the original 3.7L12005SPA and P11P35-11-N01 specifications, so the existing charger recognises it normally.

How can I confirm the 4.81Wh cell is operating correctly after installation?

The calculator should power on, hold charge through normal use and show no swelling; the pack includes overcharge, over-discharge, over-voltage and short-circuit protection.

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