Sale ! Regular price is $499. On sale for $399.  Critical universal batteries with docking station to recharge batteries. Turn your favorite rotary machine into a wireless powerhouse with the Critical Universal Battery.

This complete set includes 2 batteries and a docking station for charging. 

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:

• 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

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 

Specifications:

Universal Battery Pack

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

Universal Battery Dock

• Dimensions: 2" x 4" x 1.2" 
• USB-C Cable 
• USB-C Wall Plug 
• Color: Black