FK Irons ONE with drop in Battery - Charcoal

The FK Irons ONE is engineered for every step of the tattoo artist’s journey. This accessible, wireless tattoo machine opens the door for more artists to create with high-quality equipment at any stage. Premium quality. Sophisticatedly simple. Designed, Engineered & Manufactured in the USA. The FK ONE also arrives with: High-Quality Travel Case with Custom-Cut Protective Foam Two Rechargeable Panasonic 18500A Battery Cells Dual-Battery Charging Dock Product Features: Wireless Operation with Easily Replaceable, Rechargeable Drop-In Battery - Battery Type: Panasonic NCR 18500A Battery. (Note: We always recommend using high-quality batteries, such as Panasonic) Quick-Twist Battery Hatch & Power Disconnect LED Voltage Indicator & Colour Spectrum (Note: Blinking light indicates 0.5 Volt increment) Fixed Machine Body (3.0mm or 4.0mm Stroke) New Ergonomic Grip -  Compatible with all modular FK Grips, including disposable - Click grip needle depth adjustment Dual-Battery Charging Dock -  Charge indicator turns blue once battery is charged. -  Use only included power cable to plug in the dock Compatible with most, standard tattoo needle cartridges How to Operate the Quick-Twist Battery Hatch: - Twist clockwise to close & activate the machine’s battery. - Twist counter-clockwise to open battery hatch. - Push down & keep twisting counter-clockwise to deactivate battery. (Note: Cap is shipped in the OFF position)