This Weller Portasol cordless solder iron is a lightweight, compact butane powered soldering tool with fast heat up for high productivity. It is the equivalent to a 25W-75W solder iron and the gas capacity allows up to one hour of continuous use so it can handle most jobs. The P2C is ideal for field work. ESD safe to protect sensitive components Lightweight, compact cordless butane soldering and hot air tool Piezo ignition with push-button ease and convenience, 25 watts to 75 watts Fast heat-up for high productivity, melts solder in less than 40 seconds Gas capacity allows up to 1 hour of continuous use, ample for most jobs Refills in less than 20 seconds so you can stay on the job Automatic cut-off switch when cap replaced for safety