By Critical

Critical Universal Battery

Regular price £259.00 GBP
Regular price £289.00 GBP Sale price £259.00 GBP
Summer Sale
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Colour: Black

Ditch the cords and embrace the freedom with the Critical Universal Battery, transforming any favourite rotary tattoo machine into a wireless workhorse. Say goodbye to being tethered to one spot and hello to up to 10 hours of uninterrupted creativity. This isn’t just wireless freedom; it’s a revolution in how you ink.

Weighing in at a mere 2oz, this lightweight champion ensures your machine remains balanced and easy to handle, making those long sessions feel like a breeze. Its design isn’t just about power; it’s about making your tattooing experience as smooth as possible with an ergonomic interface that’s a cinch to use even in the midst of your most intricate work.

The Universal Battery isn’t picky; it boasts compatibility with nearly every machine brand out there. Whether you’re rocking a 3.5mm jack connection machine or need the RCA variant, Critical’s got your back (and your machine powered from 4V to 13V). And yes, it includes those Cheyenne machines too!

Key features are what set this battery apart: the Critical Core technology ensures your machine gets a stable and consistent voltage output, vital for those perfect lines and shades.

Key Features

  • Compatible with most machine brands
  • Lightweight, adding only 2oz to your machine
  • Ergonomic and intuitive user interface
  • Up to 10+ hours of tattoo time
  • Critical Core for consistent and stable voltage output


  • Dimensions LxW: 69.6 x 32mm
  • Weight: 57g
  • Voltage Range: 4V - 13V
  • Connection: 3.5mm jack and RCA