Lithium-Ion Battery for TI-Nspire

• For TI-Nspire CX, TI-Nspire CAS, and TI-84 Plus CE-T (manufactured from April 2014)
• Charging via USB port of your PC or charger (sold separately)
• Up to 100 hours of battery life

With this lithium-ion battery pack, you can extend the battery life of your calculator to up to 100 hours while saving money by not having to constantly purchase new AAA batteries. You do not need to remove the battery from the handheld to charge it. Simply connect the device to your computer via the USB port. Alternatively, you can use the charger for the TI-Nspire battery (not included). A charging cycle takes a maximum of six hours.