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Flat rectangular lithium battery 52.7 by 42.88 by 4.8 millimetres, 48.0 grams, 3.7 volts 900 milliampere-hours

Estry

Estry TI-84 900mAh 3.7V Lithium Battery

SKU CH-V990-1AHD6 MPN TI-84

Rechargeable 3.7 V 900 mAh lithium battery fits TI-84 Plus CE and TI-Nspire CX models

  • Battery typeLithium
  • Battery capacity900 mAh
  • Battery voltage rating3.7
  • Product typeRechargeable Batteries
  • Replaces original battery in TI-84 Plus CE and TI-Nspire CX models
  • 900 mAh lithium cell delivers 3.7 V and 4.81 Wh capacity
  • Built-in protection guards against overcharge, over-discharge and short circuits
  • Certified to ISO9001, RoHS, CE and UN38.3 safety standards
  • Slim 52.7 × 42.88 × 4.8 mm form factor weighs 48.0 g

Direct replacement for TI graphing calculators

This Estry lithium cell matches the original 3.7 V, 900 mAh specification for the TI-84 Plus CE and TI-Nspire CX families. It fits the battery compartment without modification and restores the runtime expected from a factory pack.

Built-in protection and certified safety

Over-charge, over-discharge, over-voltage and short-circuit circuits guard the cell during daily charging cycles. The pack carries ISO 9001, RoHS, CE, UN 38.3 and MSDS certifications confirming compliance with international transport and substance rules.

Ready to install with no extra tools

The battery ships as a single unit sized 52.7 x 42.88 x 4.8 mm and weighing 48.0 g, matching the OEM form factor exactly. No cables, adapters or software are required — simply swap the old cell and resume use.

How it compares

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

Price $10.99
Cheaper than about 83% of the 985 comparable items (median $28.99).

Specifications

Product
Brand nameTexas Instruments
Product typeRechargeable Batteries
Power
Battery typeLithium
Battery capacity900 mAh
Battery voltage rating3.7

Questions about this item

What connector standard does the Estry TI-84 900mAh 3.7V Lithium Battery use?

The battery connects via the original Texas Instruments P11P35-11-N01 or 3.7L12005SPA interface, matching the calculator's internal terminals.

Will the Estry TI-84 900mAh 3.7V Lithium Battery fit inside a TI-84 Plus CE case?

Dimensions are 52.7 x 42.88 x 4.8mm and weight is 48.0g, matching the OEM footprint for TI-84 Plus CE and TI-Nspire CX models.

How do I install the Estry TI-84 900mAh 3.7V Lithium Battery, and what step do people miss?

Remove the back cover screws, disconnect the old pack, connect the new one matching polarity, then reassemble; the step often missed is verifying the connector orientation before locking it in.

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