About this item Engineered according to the strictest original manufacturer (OEM) specifications, yet crafted from far higher quality components; this lightning-quick calculator accessory will recharge your graph calculator in half the time of a traditional charger - so you can get back to plotting graphs, solving simulation equations, analyzing variables in no time flat. Allowing you to charge your calculator from the AC wall plug-in, your computer, or your car plus download software updates, transfer files to and from the computer (TI software updates available at Texas Instruments website). Every batch of our graphic calculators are UL Approved and extensively tested so they won't short-circuit or overcharge your algebra graphing calculator – meaning your battery, and calculator last even longer. Tested & proven compatible with the TI-Nspire CX, TI-Nspire CX CAS, TI-84 Plus C, TI-84 Plus Color Edition, TI-84 Plus CE, and TI-Nspire CX II. this science calculator easily plugs in through your graphing calculator case – so your scientific calculator stays safe whether you're taking it to high school algebra 2, or college level calculus. We only make products built to last. You will feel how faster your graphing calculator charges to full capacity – and how quickly it transfers data and downloads new Texas Instrument software updates.