FK Irons Spare Battery is the spare battery for FK Irons ONE, designed to ensure autonomy and uninterrupted work for the professional tattoo artist.
Built with an NCR18500A lithium-ion cell, in the 18500 format, it delivers a nominal voltage of 3.6V and a capacity of 1900mAh (typical capacity of 2040mAh), ensuring stable and consistent power throughout the entire session.
Rechargeable and long-lasting, it withstands hundreds of charge cycles while maintaining reliable performance over time.
Easy to carry and quick to replace, it allows you to swap batteries mid-session without interruptions.
It is the ideal solution to always have an extra battery charged and ready to use.