Gearwoo Portable Battery Soldering Iron Suit for Precision Welding and Electronic Repair Fast start-up feature to reach 365/185 in 12 seconds. One tip changer tool, one coil solder wire, and a safety cap (included). Equivalent to a 9 Watt iron at 450 max. Solder up to 160 joints with fully charged batteries. Approximately 30 minutes of continuous use.