FK One Update Tattoo Machine

Reimagine daily versatility with a machine that handles everything. Building on the fan-favorite features of the OG machine, the FK One Update is designed as a true all-rounder for artists who don’t want to switch machines mid-flow.  

Power through longer sessions with upgraded batteries. Dual rechargeable batteries (18500A & 18650A) give you flexibility and endurance, with up to 5.5–6.5 hours per battery depending on configuration. Plus, the battery housing comes with a refined 1.1” digital LCD display so you can clearly see your voltage and all your settings at a glance.  

Say goodbye to fatigue with unmatched ergonomics + efficiency. Weighing in at just 215g (233g with battery), the FK One Update is built for control without heaviness. It integrates seamlessly with Ergo Shield grips, cutting setup time down to seconds while improving comfort during long sessions. 

Choose the stroke that’s right for you. The FK One Update comes with a 3.0mm or 4.0mm stroke according to your preference. With a 5V–12V (80Hz–180Hz) operating range and precise incremental adjustments, artists can fine-tune machine performance to match their technique, workflow, and client skin response in real time.

Technical Specifications: 

• Weight: 215g / 233g (with battery)  

• Length: 126mm / 134mm  

• Max Width: 38mm  

• Stroke: 3.0mm & 4.0mm fixed  

• Voltage: 5–12V (0.2V increments)  

• Hertz: 80–180Hz  

• RPM: 4,800–10,800  

• Motor: Brushed coreless motor  

• Battery Capacity: 2000 mAh / 3300 mAh  

• Battery Life: 5.5 hours / 6.5 hours per battery (up to 12 hours combined)  

• Charge Time: 2h / 2.5h max  

• Display: 1.1” LCD screen  

• Battery System: Dual rechargeable (18500A & 18650A compatible)  

• Compatible with Ergo Shield Grips 

Resources:
User Manual

International User Manual