Rechargeable Battery for TI Nspire / TI Nspire CAS, CX, CX CAS / TI 84 Plus C SE
- Model: 3.7L1200SP
- 3.7V 1200mAh
- Upgraded Model from TI (older model discontinued)
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Model: 3.7L1200SP 3.7V 1200mAh P/N:P11P35-09-N01 1ICP5/43/50 For TI Nspire CX and CX CAS (V1.0) that use battery WITH WIRE and TI 84 Plus Color Edition (uses with Wire edition)
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I bought a TI Nspire CX CAS three years ago and use it about four months out of the year. I was getting the calculator ready for a new semester, but when I plugged it in to recharge it, the boot up process would automatically restart whenever it showed half a blue progress bar on the loading screen, over and over in an endless cycle. Removing the battery but keeping the calculator plugged in to a wall outlet generated the same problem. An internet search gave a variety of solutions, one of which was to replace the battery. None of the other solutions worked, so I ordered this battery and it shipped quickly and has solved the problem.
Stay away from this thing, if you want something good, to to the source instead. Its not worth it.
After 2 years the rechargeable battery on the TI84 Color reached running duration of mere 4-8 hours after complete charge. This unit was purchased to replace the OEM battery. The changing of the battery simply required unplugging the battery connection and replacing with the new battery. The process took less than a minutes. You will need a small phillips screw driver to take out two screws on the bottom.
After full charging, the battery lasts as it did originally. After couple of month, the battery is still in good condition. Since the original battery “died” after couple of years of use, I expect similar usage out of the replacement. But, we shall see.
This battery is an oem unit and works perfectly. The calculator not only powers on but actually charges now. Shipping took a little longer than I would have liked but was still here before school started.
Worth every penny.