Texas Instrument USB Charger With this charger you can charge additional batteries, which are built into graphics calculators. The charger has a safety plug that plugs both into the mains and a USB outlet. Using the USB Mini-USB cable the respective graphics calculator or hand-held device can be connected and the internal battery charged. The charging process is significantly reduced with this charger. The power supply has an input of 220 Volts and an output voltage of 5 Volts. At present, there are the following products from Texas Instruments with in-built batteries: Ÿ TI-Nspire CX Ÿ TI-Nspire CX CAS Ÿ TI-Nspire TouchPad (Battery only optionals retrofitted) Ÿ TI-Nspire CAS TouchPad (Battery only optionals retrofitted) Ÿ TI-84 Plus C Silver EditionContents: Ÿ Power Supply with Plug Ÿ USBMini-USB Cable (approximately 80 cm)