I bought that sucker ^^^ in less than a minute after seeing it.
Let us know if it works. I know based upon experience the Huepar lasers that offer charging via USB will run on a 5500 to 30,000 mh portable powerbank. Some of the Huepars have a small removable battery pack, similar to the cordless phone batteries. We brought in a small power bank and tested the laser in the event the batteries went kaput and were proprietary/hard to come by, and the Huepar performed well,the model we tested was the 503(IIRC) and it did have the ability to plug into the wall as well as an alternative,but not always practical on a jobsite. Of course DeWalt, Hilti, Makita batteries can be had off the shelf. And as a slight drift, we provide our own tools on the job since we frequently move jobsite to jobsite and in 4 years I've progressed from the Dewalt crossbeam ,that runs on 3AA batteries to both the Dewalt crossbeam 12V and the 3x360 ,to now the Hilti 3x 360. And of course as supervision on our largest job, I ,personally don't use a laser daily like I did 4 years ago.. But I tell everyone skip the $150 dewalt,skip the $300 dewalt and just save the trouble and buy the $500 one first,and one time only, it's cheaper in the long run. But if one wants to save money the Huepar has proven to be a nice,budget friendly 360 degree laser.