That's the one I have and love it to a point. I use a Provari Mini that uses 14590 batteries and it doesn't want to charge those batteries because the slider bar doesn't get tight enough to make good contact.I tested the USB charge, the Pico gets quite WARM, a little too much for my taste. I'd use it in a pinch with no tank on it, though it didn't seem to transfer much heat to the tank. There is a reason most say to use an external charger, and that's SAFETY! I use and recommend the xtar VP2 (2-Bay) charger, though I don't leave that unattended either. If you've ever experienced any kind of home fire, you'll spare no expense to never have one again. VAPE & Charge SAFE!