Portable and handheld laser markers with easy to use and with long battery life. A state-of-the-art Q-switched, 20 watt Ytterbium fiber laser provides maximum flexibility over a wide variety of materials including all metals and many plastics. Work from any power source from 12 VDC to 240 VAC. An internal rechargeable battery is used to power the laser when an AC power source is not available. The mobile design is lightweight, with built-in safe operation, and can operate in the Stand Along mode without a PC. A real time visible bounding box highlights the area to be laser marked.