The Critical Connect Universal Battery utilizes Bluetooth 5.0 and Critical 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
• Utilizes Critical Core  created for consistent power and extreme accuracy.
• Available in both RCA  3.5mm connections
• Compatible with most rotary brands
• Featured jumpstart assist for large needle groupings and hard starting motors
• Control the ON/OFF function of the batteries through two modes: Continuous  Momentary
• Compatible  wirelessly connects with the Critical Connect Foot Switch
• Connect up to (4) Critical Connect batteries to (1) Critical Connect Foot Switch for adaptability cordless freedom
• Dual charging capable dock (optional)
• Up to 5+ hours of tattoo time
• Voltage Range 4.5v  13v
• Size: 2 L x 1.2 W
• Weight: 1.5 oz
• USB-C Charger Cable Included
• Instruction Manual Included 

Critical Connect Universal Batteries are compatible  wirelessly connect with & ONLY & the Critical Connect Foot Switch 
(simultaneously, the Critical Connect Foot Switch is ONLY compatible with Critical Connect batteries)