Critical Connect Universal Battery - Eternal Tattoo Supply

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Critical Connect Universal Battery

The Ultimate Wireless Tattooing Experience

The Critical Connect Universal Battery utilizesBluetooth 5.0 andCritical Core technology - created for consistent power and extreme accuracy. Experience ultimate power, freedom, and versatility.  

Features & Benefits

  • Crisp OLED Display & Precise Voltage 
  • Ergonomic Design 
  • Utilizes Bluetooth 5.0 Technology 
  • Available in both RCA & 3.5mm* connections 
  • Compatible with most rotary brands
  • Control the ON/OFF function of the batteries through two modes: Continuous & Momentary 
  • Critical Connect Universal Batteries are compatible & wirelessly connect withONLY the Critical Connect Foot Switch (simultaneously, the Critical Connect Foot Switch is ONLY compatible with Critical Connect batteries)
  • Connect up to (4) Critical Connect batteries to (1) Critical Connect Foot Switch for adaptability & cordless freedom  
  • Dual charging capable dock (optional) 
  • Up to 10+ hours of tattoo time 
  • Voltage Range 4.5v – 13v 
  • Size: 2.4” L x 1.2” W 
  • Weight: 2.0 oz 
  • USB -C Charger Cable Included 
  • Instruction Manual Included


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

    *Please note: will not fit on Cheyenne Unio machines.

    Connection: 3.5 mm