Gomadic High Output Home Wall AC Charger designed for the Texas Instrument TI-84 Plus CE with Power Sleep technology - Intelligently designed with Gomadic TipExchange Power Sleep"" feature reduces vampire power draw 99%. Charger will consume less than 0.1W of power when in ""dormant state"" (e.g. not connected to the Texas Instrument TI-84 Plus CE). Gomadic Powerful High Wattage wall charger for home or travel use. Customized circuit design is based on the latest in power regulation and is tailored to the precise output voltage and resistor ID requirements of the Texas Instrument TI-84 Plus CE (accurate to 0.1v!) Advanced state-of-the-art internal circuitry protects the Texas Instrument TI-84 Plus CE from power surges, overcharging, and short-circuiting, to significantly extend the internal battery lifecycle. TipExchange Technology protects your investment, by providing a means to change/upgrade your charger by simply swapping the physical charging tip. (Charging tip for Texas Instrument TI-84 Plus CE) included with additional tips sold separately) Charger works on power voltage levels worldwide by supporting a wide input range of 100-240v AC / 50-60 Hz.