OM CHAPTER 3

OM Chapter 3 Li-ion Battery Power Supply

The OM Chapter 3 is a compact, Li-ion battery-powered tattoo power supply built for tattooers who want freedom, reliability, and control without being tied to cables.

Powered by a 9000mAh Li-ion battery, it delivers up to 8 hours of continuous runtime and handles demanding machines with stable voltage and fast current peaks. Whether you’re working in the shop, guest spotting, or traveling, OM Chapter 3 is designed to keep up.

 Why tattooers choose OM Chapter 3

• Battery powered – no mains connection required

• Consistent power delivery with fast peak response

• Motion sensor control to reduce cross contamination

• Two machine outputs for fast workflow changes

• Magnetic base keeps it locked in place

Designed to be simple, intuitive, and dependable — no menus, no distractions.

 Key features

• 9000mAh Li-ion battery (up to 8h autonomy)

• 2–12V output range

• 4A RMS / 7A peak current

• Two machine outputs + optional footswitch

• Motion sensor control (on/off, presets, machine swap)

• 3 memories per machine (6 total)

• High-contrast OLED display

• Magnetic base with 4 neodymium magnets (20kg hold)

• High-grade aluminum housing

• Travel case includes

 Technical specs

• Voltage: 2–12V

• Battery: 9000mAh Li-ion

• Outputs: 2 machine outputs

• Screen: 1.3” high-brightness display

• Size: 10 × 7.5 × 7.5 cm

• Weight: 500 g

 Warranty & service

• 2-year warranty on power supply (factory defects)

• 1-year warranty on power adapter

• Repair service available after warranty — no planned obsolescence