Power up your favorite wireless FK Irons machine with the PowerBolt II battery pack by FK Irons. This detachable pack has upgraded, next-level intelligence and intuition, learning and adapting to the way you tattoo. It fits easily onto any wireless machine by FK Irons and delivers (on average) up to 6 hours of robust power for your next tattoo session.

Pair the PowerBolt II with the FK Irons Killswitch for even more efficient tattooing, allowing you to make power adjustments on the fly with the tap of your foot. This PowerBolt II battery pack is also designed for improved range of connectivity to your Killswitch device.

Make effortless adjustments while tattooing with 0.1v or 0.5v increments and a clear readout screen. The PowerBolt II also features FK Irons' first-ever digital built-in menu to select your settings. 

Technical Specifications: 

• Intuitive, detachable battery pack
• Comes with all-new digital built-in menu to select your settings
• Senses and adapts to the way you work
• Compatible with all FK Irons wireless machines
  
• Battery life: dependent on functional preferences*. Full charge in 2 hours when used with a USB-C charging cable. *needle resistance, machine speed (voltage/hertz), and stroke
• Chargeable with USB-C cable
• Easily adjustable voltage; 0.1v or 0.5v increment adjustments
• Clear display screen with left- and right-hand screen orientation
• Clear voltage and Hertz readout
• Easy-to-read battery life and built-in session timer
• Compatible with the FK Irons Killswitch (improved range of connection)
• Bluetooth enabled; can be paired with Darklab app
• Firmware updates available via the Darklab app
• USB-C cable not included with purchase