Turn your favorite press into a cordless machine with the Critical Universal Battery.

Get up to 10 hours of battery life from a single battery! That's wireless freedom!

The battery is light and balanced, only 57g more than the weight of your machine. The ergonomic and intuitive interface is designed for easy use while tattooing.

Universal Battery Features:

• Compatible with most brands of rotary machines
• Connexion Jack 3.5mm et RCA
• Core Critical = Constant and stable output voltage
• Optional dual charging station
• Light and balanced
• Intuitive user interface
• Up to 10+ hours of tattooing (depending on voltage and machine)
• Voltage range 4V – 13V

Universal Battery Specifications:

• Length: 2.47″ / 6.96cm
• Width: 1.26″ / 3.2cm
• Weight: 2oz / 57g
• Color: Black