FK Irons LightningBolt UNI Wireless RCA Tattoo Battery

The FK Irons LightningBolt UNI is a versatile wireless power supply developed to provide cordless operation for the FK Irons EXO and tattoo machines equipped with a compatible RCA connection.

Its integrated software and hardware work together to provide responsive, reliable power management. The output voltage can be adjusted from 5 to 12 V, allowing artists to adapt machine performance to different cartridges, techniques, and working preferences.

The streamlined three-button interface provides access to essential functions, including power on/off, voltage adjustment, Bluetooth activation, and battery-level monitoring.

The rechargeable battery provides up to 10 hours of operation and reaches a full charge in approximately 1.5 hours. It can be charged through any compatible USB Type-C power source, making it convenient for studio work, conventions, and travel.

Weighing only 58 g, the LightningBolt UNI adds minimal weight to the connected machine and supports comfortable handling during extended sessions.

Specifications

• Brand: FK Irons
• Model: LightningBolt UNI
• Product type: Universal wireless tattoo-machine battery
• Machine connection: RCA
• Compatibility: FK Irons EXO and compatible RCA tattoo machines
• Adjustable voltage range: 5–12 V
• Battery runtime: Up to 10 hours
• Charging time: Approximately 1.5 hours
• Charging connection: USB Type-C
• Connectivity: Bluetooth
• Controls: Three-button interface
• Available functions: Power on/off, voltage adjustment, Bluetooth activation, and battery-level monitoring
• Weight: 58 g
• Recommended use: Cordless studio, convention, and mobile tattoo setups

Runtime Notice

Actual battery life may vary depending on voltage, connected machine, cartridge configuration, and working conditions.