Replacement Battery for Texas Instruments TI-84 Plus CE for TI-Nspire CX II and for TI-Nspire CX II CAS Li-ion Backup 3.7L1200SPA Battery
Quick take
This replacement Li-ion calculator battery is built to match the power needs of select Texas Instruments models, including the TI-84 Plus CE and the TI-Nspire CX II / CX II CAS. It’s rated at 3.7V with a 1500mAh (5.55Wh) capacity and includes safety features meant to help prevent overcharging, overheating, and short circuits. The main buying caveat is to confirm your exact calculator model before ordering so you get the correct fit.
Pros and cons
Pros
- Designed for specific TI calculator models, including TI-84 Plus CE and TI-Nspire CX II (and CX II CAS).
- Li-ion backup battery specs: 3.7V, 1500mAh, 5.55Wh.
- Includes built-in safety protections for overcharging, overheating, and short circuits.
- Rechargeable replacement option with a one-year quality guarantee.
Cons
- Compatibility depends on your exact calculator model, so double-check fit before purchasing.
- Battery performance expectations like real-world runtime are not consistently described in the available buyer comments.
What buyers think
Buyer-review evidence is limited, but the comments that are available point to a consistent theme: the battery installs easily and works as a functional replacement. Reviews also generally describe it in simple terms (for example, that it works and is a good fit physically), with no clear recurring complaints about temperature, charging behavior, or safety issues. Because the review sample is relatively small and details are brief, it is hard to draw a reliable pattern about long-term runtime versus other replacement options.
Key specs and compatibility
This is a rechargeable Li-ion battery replacement intended for select Texas Instruments calculators. The listed battery parameters include:
- Capacity: 1500mAh (5.55Wh)
- Voltage: 3.7V (maximum listed voltage is 4.2V)
- Cell type: Li-ion
- Quantity: 1 battery
Compatibility is the most important factor. The product is described as a replacement for TI-84 Plus CE and for the TI-Nspire CX II and TI-Nspire CX II CAS line. Before buying, verify your calculator model number and revision to avoid an incompatible fit.
Safety features to look for in a replacement battery
Replacing a calculator battery is one of those upgrades where safety features matter because you are adding a new power source inside an electronic device. This battery includes built-in protections intended to help guard against:
- Overcharging
- Overheating
- Short circuits
That combination is a reasonable baseline for a replacement battery, especially if you want a backup battery that you might rely on during class, study sessions, or travel.
Setup and everyday usability
From the available buyer comments, installation appears straightforward and the battery restores functionality when used as intended. If your goal is simple, reliable backup power, this kind of “replace and go” approach is typically what buyers want in calculator accessories. Still, remember that any battery replacement requires careful handling and correct installation, especially because Li-ion cells can be sensitive to improper fit or forcing connectors.
Pros and cons (expanded buying guidance)
Good fit if you want
- A compatible Li-ion replacement battery for TI-84 Plus CE or TI-Nspire CX II / CX II CAS calculators.
- A battery with safety protections (overcharge, overheating, short circuit) and a stated 3.7V 1500mAh capacity.
- An option marketed as a backup/replacement battery with a one-year quality guarantee.
Not the best choice if
- You are unsure which exact TI model you have, since battery compatibility is model-specific.
- You need clearly documented long-term runtime comparisons from multiple sources, since the available buyer-review details are brief.
Is it worth it?
If you have a TI-84 Plus CE or TI-Nspire CX II series calculator and you need a replacement Li-ion backup battery that matches the listed 3.7V and 1500mAh specifications, this is a sensible option to consider. The biggest determinant of satisfaction is getting compatibility right and installing it carefully. Based on the limited review evidence, buyers mainly report that it works and is easy to install, but there is not enough detail to confidently compare runtime longevity versus other replacement batteries.
Price and availability
Check current pricing and availability to match your budget and timing. Prices can vary by retailer and the moment you buy, so it’s worth confirming what you will pay today before placing an order.
FAQs
Will this replacement battery work with my TI-84 Plus CE or TI-Nspire CX II?
It is described as compatible with TI-84 Plus CE, TI-Nspire CX II, and TI-Nspire CX II CAS. Double-check your exact calculator model before ordering to confirm the fit.
What are the battery specifications?
The battery is listed as a 3.7V Li-ion with 1500mAh capacity (5.55Wh), with a maximum listed voltage of 4.2V.
Is this battery rechargeable?
Yes, it is described as rechargeable (Li-ion battery) and intended as a replacement/backup battery.
Does it include safety features?
It is listed with built-in safety features intended to help protect against overcharging, overheating, and short circuits.
How easy is it to install?
Available buyer comments suggest installation is straightforward and the battery works well when installed for its intended calculator models, but battery replacement still requires careful handling.
What kind of warranty or guarantee is included?
A one-year quality guarantee is listed.
Specifications
| Product Title | Replacement Battery for Texas Instruments TI-84 Plus CE for TI-Nspire CX II and for TI-Nspire CX II CAS Li-ion Backup 3.7L1200SPA Battery |
|---|---|
| Category | Electronics > Accessories & Supplies > Office Electronics Accessories > Calculator Accessories |
| Brand | Cakriolos |
| Manufacturer | Cakriolos |
| Model Name | LI-ION BATTERY |
| Model Number | FOR TI-84 PLUS CE BATTERY |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Warranty Description | 1-year warranty |
| Battery Capacity | 1500 Milliamp Hours |
| Voltage | 3.7 Volts |
| Reusability | Rechargeable |
| Unit Count | 1.0 Count |
| Battery Weight | 24.2 Grams |
| Item Dimensions | 2.08 x 1.69 x 0.19 inches |
| Antenna Location | Backup, Rechargeable, Replacement |
| Battery Cell Type | Lithium Ion |
| Battery Cell Composition | Lithium Ion |
| Recommended Uses For Product | Backup, Rechargeable, Replacement |
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