Mast U1 Tattoo Wireless Battery Power Supply - Grey


Press power button 2-3s to turn on/off. Click 6V-11V to switch. Memory recalls last voltage/10V 0.02s. Working shows 5 indicators (20%-100%) then returns to adjust voltage. Charging shows capacity status. Light on when fully charged/overshoot protection.


  • Works with all RCA rotary tattoo machines.
  • Suitable for any pen machine.
  • Best used with Mast Tour Pro & Shuttle Short pens.
  • Variety of voltage levels to fit all tattoo styles.
  • 3-6 hrs. usage; Mast U1 Battery & USB cable incl.


Package Dimensions: 6.9 x 4.0 x 2.3 inches