Critical Universal Battery for RCA "ONLY" - 2 Pack

Critical Universal Battery - 2 Pack 


Turn your favorite rotary machine into a wireless powerhouse with the Critical Universal Battery.  Lightweight and balanced feeling in your hand.

This is the RCA connection ONLY.  This battery pack is compatible with most rotary machines that take an RCA connection. 

The Critical Universal Battery offers an ergonomic, balanced, and intuitive interface that provides an experience of true freedom.


  • Compatible with most rotary brands
  • RCA Connection
  • Critical Core = consistent and stable voltage output
  • Light weight and balanced
  • Intuitive user interface
  • Up to 10+ hours of tattoo time (depending on voltage use and machine)
  • Voltage Range 4v-13v
  • NOTE: Due to the nature of this product as well as a safety precaution, all sales on this item are FINAL. Warranty service for this item will be provided by the manufacturer.

Product Specifications:

  • Length: 2.47"
  • Width: 1.26"
  • Weight: 2.0 oz
  • Critical Universal Battery
  • Color: Black
  • 1 Battery Pack

Not compatible with:

1. Rook 2. Prime Velocity 3. Bellar 4. Flux

Is compatible with:

1. XionS 2. Valhalla 3. Fantom


  • US Patent 10471246 and other US Patents Pending
  • AU Patent 2019359618
  • CN Patent 202030297770.3 and other CN Patents Pending
  • EU Patents Pending
  • CA Patents Pending