T90B

ALIENTEK T90B soldering iron with its 178 mm by 16 mm dimensions marked
ALIENTEK T90B USB-C Soldering Iron Offers Up to 140 W With a T245 Tip
Workshop & Tools Electronics Tools
The ALIENTEK T90B is the highest-output iron in the T90 series, with a T245 tip, 18 to 140 W of heating, and a seller-claimed 3.5 second solder melt. Switch Science began selling it on September 10, 2025.