Power Supply products for rotary and coil tattoo machines, tattoo pens, and permanent makeup equipment. The page lists wireless battery power supplies, mini RCA and DC battery supplies, LCD digital display supplies, adjustable voltage units, dual power supplies, and power supplies for liner and shader tattoo guns. Product titles identify 1200mAh, 1300mAh, 1500mAh, and 2000mAh battery options, along with RCA or DC connectors and LED or LCD displays. This category is narrower than the broader Power Supplies collection and focuses on the power supply product range itself. Check the selected listing for voltage adjustment, connector type, battery capacity, power adapter, and compatibility with the machine in use.