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🔋 Recharge your TI-84 Plus CE with confidence and never miss a calculation!
This TI-84 Plus CE replacement battery by oliadeo delivers a reliable 1500mAh lithium-ion power source at 3.7V, featuring an intelligent safety chip to protect your device from overcharge and overheating. Designed for easy installation with included tools, it perfectly fits TI-84 Plus CE calculators, extending their lifespan and keeping you powered through every exam or project.




| ASIN | B0CYGW786K |
| Antenna Location | TI-84 Plus CE |
| Battery Capacity | 1500 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 25 Grams |
| Battery capacity | 1500 Milliamp Hours |
| Battery cell composition | Lithium Ion |
| Brand | oliadeo |
| Brand Name | oliadeo |
| Compatible Phone Models | TI-84 Plus CE |
| Customer Reviews | 4.6 out of 5 stars 368 Reviews |
| Manufacturer | oliadeo |
| Model Name | TI-84 |
| Model Number | TI-84 |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Number of batteries | 1 Lithium Ion batteries required. (included) |
| Recommended uses for product | TI-84 Plus CE |
| Reusability | Rechargeable |
| Unit Count | 1.0 count |
| Unit count | 1.0 count |
| Voltage | 3.7 Volts |
H**.
Good product
Needed a replacement battery for my calculator when it randomly stopped working. Found out it’s a common problem where the original battery stops being able to be recharged. Was an easy switch and 6 months later, the calculator still works and is able to hold a charge. Worth it!
D**E
Exactly as advertised
Easy to replace. Saved me buying a new calculator.
S**.
Replacement battery for TI-84 Plus CE
Replaced the battery on my son’s TI-84 Plus CE. I’ve read online that the OEM battery lasts for a few years before it doesn’t work anymore. For my son’s TI, the battery wouldn’t charge. When plugged in, the screen kept trying to turn on then turn off. After reading online reviews I found this battery replacement and decided to give it a try. It comes with a mini-screwdriver. I replaced the battery and the TI-84 came back to life. My son QA’d it and everything seems to be function like it did before. I’ll update this review if anything goes awry but so far I’m very happy to spend $12 to replace the battery instead of having to replace the whole graphing calculator.
N**I
Great price and Good battery
My Texas TI-84 Plus CE was doing that glitching thing. I bought a new charger to see if that was the issue and it wasn’t. I saw online that you can buy a new battery and it could fix your calculator. It was a 50/50 chance. I honestly didn’t think it would work but it did. They also give you a little screw driver to open your calculator. The price is great for the battery. I happy with my purchase! It’s so easy to put the new battery in and it fit exactly like the original battery.
A**L
Excellent Price, value, quality and even included a screwdriver!
My son’s TI-84 got the dreaded OS error, and after researching fixes, someone suggested replacing the battery. This one did the trick—the error cleared, and everything has been working fine. The battery came partially charged, and they even included a mini screwdriver, which was a great touch. The price is very reasonable, and shipping was quick. The original battery lasted a little over a year, so we’ll see how long this one goes. So far, so good.
Trustpilot
1 week ago
2 weeks ago