Tattoo Everything Supplies



Regular price £499.99
Regular price Sale price £499.99
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Turn your favorite rotary machine into a wireless powerhouse with the Critical Universal Battery.

Bundle options include Universal Charging Dock with option of:

  • 2¬†RCA
  • 2¬†3.5mm (Cheyenne)

  • Available in both RCA and 3.5mm (Cheyenne) connection types, this battery pack is compatible with most rotary machines.

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

Features of Universal Battery Pack:

  • Compatible with most rotary brands
  • Available in both RCA & 3.5mm (Cheyenne) connections
  • 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

Product Specifications of Universal Battery Pack:

  • Length: 2.47"
  • Width: 1.26"
  • Weight: 2.0 oz
  • Colour: Black


Keep your workstation organized while charging your Critical Universal Batteries with the Critical Universal Battery Dock. Compatible for both RCA and 3.5mm connection type batteries. 

This dock features a no fuss easy battery swap, so you can swap out batteries quickly with just one hand. 

Built in magnetic bottom allows unlimited mounting capabilities for easy access during your tattooing sessions.

Features of Universal Battery Dock: 

  • Compatible for both RCA & 3.5mm Critical Universal Batteries¬†
  • Two charge slots for Universal Critical Batteries¬†
  • Unlimited magnetic mounting capabilities¬†
  • Batteries fit easily, precisely & will stay in place at most angles¬†
  • Quick battery swap; "one handed battery change"¬†
  • Approximately 2-3 hrs charge time from depleted to full

Product Specifications of Universal Battery Pack: 

  • Dimensions:¬†2" x 4" x 1.2"¬†
  • USB-C Cable¬†
  • Color: Black¬†


  • Critical Battery Pack
    • 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
  • Critical Battery Charging Dock
    • US Patent Pending
    • CA Patent Pending
    • CN Patent Pending
    • EU Patent No. 008363311-0002
  • All sales on this item are final. Warranty service for this item will be provided by the manufacturer.

NB: This product comes with a 24 month warranty, which is valid direct with Critical.

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