Wireless Pens

FK Irons strives to develop products to revolutionize and innovate the tattoo industry. That’s why they engineered a powerful battery that’s not only well-balanced but can be universally connected to any RCA machine on the current market. It’s the one battery to power them all.

This revolutionary power supply can be connected to any RCA machine - as long as the RCA jack isn’t blocked. Its compact design is great for easy travel, and it keeps in mind the machine’s Ergonomic Balance Point. Weighing only 2oz, the LightningBolt Uni may be small, but can still power your machines for up to 10 hours - depending on voltage. That’s power. It also has Bluetooth capabilities and can be paired with the Darklab app for ultimate wireless control. The LightningBolt Uni was designed to be the only power supply artists need and provide power for all.

• Immerse yourself in art with a wireless tattoo battery pack that turns your tattoo machine wireless
• Connect to Bluetooth and pair with the DarkLab mobile app to enable a host of features and receive firmware updates. Features include changing voltage through voice
• Ideal for the EXO and all RCA tattoo machines
• Battery can last up to 10 hours with only 1.5 hours of charge time
• Charge your battery pack in any USB-C port, including your car, airport, or from your laptop. Perfect for the traveling tattoo artist or when you attend a tradeshow
• Software and hardware work seamlessly together to provide you the best experience
• Operates from 5 volts to a maximum of 12 volts
• Only 3 buttons that allow you to check the battery, enable Bluetooth, increase and decrease the voltage, check battery life and turn off/on
• LED colour indicator lights allow you to monitor your voltage and battery life
• Good things come in small, powerful packages, LightningBolt UNI weighs only 58g (2oz)
• NOT compatible with the Microbeau Bellar
• The included charge pack has an American style plug.

Unleash your power. If you love the Spektra Flux, you know the PowerBolt is the brain and power supply of the machine. The detachable PowerBolt battery supply provides an extra peace of mind. Two is better than one – especially for those artists that are on the road or want a backup for when the battery is running low. Attaching and detaching the PowerBolt is easy with just a quick quarter-turn. Simply recharge as needed. Just plug into a USB-C cable. The PowerBolt provides the ultimate peace of mind in backup for busy artists.

• Battery supply for the Flux wireless tattoo machine
• Detach and attach effortlessly with 1/4 turn
• Battery life: Up to 10 hours of life with only 1.5 hours of charging time
• USB-C port: Charge your PowerBolt from any standard USB-C cord. This is perfect for the traveling artist or for trade shows
• LED Indicator : Easily check your operating voltage and battery life
• Changing Voltage: Simply decrease and increase voltage by half increments via two buttons
• Darklab App: Change voltage through voice, access tattoo time and receive firmware updates
• Manufactured in the USA

Turn your favorite rotary machine into a wireless powerhouse with the Critical Universal Battery.

Available in both RCA and 3.5mm (Cheyenne) connection types, this battery pack is compatible with most rotary machines.

The Critical Universal Battery offers an ergonomic, balanced, and intuitive interface that provides an experience of true freedom.

Features:

• Compatible with most rotary brands
• Available in both RCA & 3.5mm (Cheyenne) connections
• Critical Core equals consistent and stable voltage output
• Dual charging capable dock optional
• Light weight and balanced
• Intuitive user interface
• Up to 10+ hours of tattoo time (depending on voltage use and machine)

Product Specifications:

• Length: 2.47"
• Width: 1.26"
• Weight: 2oz
• Voltage Range 4v-13v
• Colour: Black

Unleash your power. If you love the Spektra Flux, you know the PowerBolt is the brain and power supply of the machine. The detachable PowerBolt battery supply provides an extra peace of mind. Two is better than one – especially for those artists that are on the road or want a backup for when the battery is running low. Attaching and detaching the PowerBolt is easy with just a quick quarter-turn. Simply recharge as needed. Just plug into a USB-C cable. The PowerBolt provides the ultimate peace of mind in backup for busy artists.

• Battery supply for the Flux wireless tattoo machine
• Detach and attach effortlessly with 1/4 turn
• Battery life: Up to 10 hours of life with only 1.5 hours of charging time
• USB-C port: Charge your PowerBolt from any standard USB-C cord. This is perfect for the traveling artist or for trade shows
• LED Indicator : Easily check your operating voltage and battery life
• Changing Voltage: Simply decrease and increase voltage by half increments via two buttons
• Darklab App: Change voltage through voice, access tattoo time and receive firmware updates
• Manufactured in the USA

FK Irons’ PowerBolt+ is the new, state-of-the-art Wireless Solution, now with up to 15 hours of battery supply, intuitive voltage control for a user-friendly experience, and complete Bluetooth connectivity. Compatible with the Flux and EXO models, attaching and detaching the PowerBolt+ is easy with just a quick quarter-turn.

Tap into the future with more power thanks to the game-changing technology of the wireless Killswitch and PowerBolt+ bundle. Combined to put even more control into the palm of your hand, this bundle expands artists' capabilities and unlocks more possibilities than ever before.

Features

• Up-to 15 hours* of runtime
• Compatible with Flux and EXO
• Full Bluetooth connectivity
• Wireless Killswitch compatibility
• USB-C fast charging
• Intuitive interface
• Expand features with app
• Siri voice control
• Firmware upgrade
• Easy eGive control
• Choose voltage increment 0.1 or 0.5v
• LED intensity control

*depending on voltage

Tech Specs

• Output Voltage: 5-12V
• Increment/decrement voltage interval: 0.5 and 0.1V
• Maximum output current: 1 A
• Charger Input: USB-C
• Dimensions: 30 x 72mm
• Weight: 85g (3 oz)
• Battery Life: Up to 15 Hours

Important: Please be aware that all warranty issues are handled exclusively by FK Irons and this may require that the machine be returned by the buyer to FK Irons in the US. For information about this process see the FK Irons repairs page
All FK Irons machines come with a one-year manufacturer's warranty from the date of purchase. This warranty covers any manufacturer's defect. Proof of purchase is required to claim warranty.

Note: This is a portable power bank and requires an RCA or DC cord to connect to your machine.

The only power supply on the current market that allows you to use your choice of cables or connectors - wirelessly. Introducing the Airbolt Mini, the smallest, most portable power supply that has the capabilities to keep your machine running for up to 10 hours*.

With its intuitive controls and LED voltage display, the Airbolt is easy to use and can be paired with the Darklab app via Bluetooth for ultimate wireless control. With unlimited presets you can create within the app's Preset Bank allows artists to have endless possibilities during each session. Weighing at only 3.6 oz (102 g), the Airbolt is compact for easy travel and it’s ready to be bagged or barrier protected.

• Weighs: 3.6 oz (102g)
• 55.6 x 48 x 24mm
• Up to 10 hours of battery life*
• Built-in anti-slip magnetic pad
• Easy setup
• For extra support, several wearable and mounting accessories will be coming soon
• eGive capabilities on the Darklab app via Bluetooth

Important: Please be aware that all warranty issues are handled exclusively by FK Irons and this may require that the machine be returned by the buyer to FK Irons in the US. For information about this process see the FK Irons repairs page
All FK Irons machines come with a one-year manufacturer's warranty from the date of purchase. This warranty covers any manufacturer's defect. Proof of purchase is required to claim warranty.

Note: This is a portable power bank and requires an RCA or DC cord to connect to your machine.

The only power supply on the current market that allows you to use your choice of cables or connectors - wirelessly. Introducing the Airbolt, the smallest, most portable power supply that has the capabilities to keep your machine running for over 15 hours, depending on voltage. You can also connect the Airbolt to the Darklab app via Bluetooth to enable eGive capabilities. It’s time to get off the grid and experience wireless procedures.

• Up to 15 hours of battery life*
• Weighs: 3.6 oz (102g)
• 73 x 48 x 24mm
• Built-in anti-slip magnetic pad
• For extra support, several wearable and mounting accessories will be coming soon
• Easy to bag and barrier protect
• Voice control and eGive via Darklab app

Tap into the future with more power thanks to the game-changing technology of the Killswitch and Powerbolt Plus bundle. Combined to put even more control into the palm of your hand, this bundle expands artists' capabilities to unlock more possibilities than ever before.
The Killswitch is the first of its kind, controlled by an accelerometer sensor and no mechanical parts for complete wireless control.
Compatible with the Flux and EXO models, the Powerbolt Plus packs up to 15 hours of wireless power, and, paired via Bluetooth with the Killswitch, wireless control is only a tap away.
Designed with streamlined wireless efficiency, cross-contamination, and ease of travel in mind, this bundle is a state-of-the-art solution to revolutionize your workflow.

PowerBolt Plus Features:

• Up-to 15 hours* of runtime
• Compatible with Flux and EXO
• Full Bluetooth connectivity
• Wireless Killswitch compatibility
• USB-C fast charging
• Intuitive interface
• Expand features with app
• Siri voice control
• Firmware upgrade
• Easy eGive control
• Choose voltage increment 0.1 or 0.5v
• LED intensity control

*depending on voltage

Killswitch Features:

• Power controlled by an accelerometer sensor with no mechanical parts
• Responsive and charged LED indicators
• Anti-slip mount to keep it in place
• Internal rechargeable battery
• Designed with sanitation in mind
• Stay up-to-date with Firmware updates via iOS Darklab app
• Compatible with Powerbolt Plus, LightningBolt and Airbolt power packs

Tap into the future with more power thanks to the game-changing technology of the Killswitch and Powerbolt Plus bundle. Combined to put even more control into the palm of your hand, this bundle expands artists' capabilities to unlock more possibilities than ever before.
The Killswitch is the first of its kind, controlled by an accelerometer sensor and no mechanical parts for complete wireless control.
Compatible with the Flux and EXO models, the Powerbolt Plus packs up to 15 hours of wireless power, and, paired via Bluetooth with the Killswitch, wireless control is only a tap away.
Designed with streamlined wireless efficiency, cross-contamination, and ease of travel in mind, this bundle is a state-of-the-art solution to revolutionize your workflow.

PowerBolt Plus Features:

• Up-to 15 hours* of runtime
• Compatible with Flux and EXO
• Full Bluetooth connectivity
• Wireless Killswitch compatibility
• USB-C fast charging
• Intuitive interface
• Expand features with app
• Siri voice control
• Firmware upgrade
• Easy eGive control
• Choose voltage increment 0.1 or 0.5v
• LED intensity control

*depending on voltage

Killswitch Features:

• Power controlled by an accelerometer sensor with no mechanical parts
• Responsive and charged LED indicators
• Anti-slip mount to keep it in place
• Internal rechargeable battery
• Designed with sanitation in mind
• Stay up-to-date with Firmware updates via iOS Darklab app
• Compatible with Powerbolt Plus, LightningBolt and Airbolt power packs

The Ultimate Wireless Tattooing Experience

The Critical Connect Universal Battery utilizes Bluetooth 5.0 and Critical Core technology - created for consistent power and extreme accuracy. Experience ultimate power, freedom, and versatility.

Features:

• Crisp OLED Display and Precise Voltage
• Ergonomic Design
• Utilizes Bluetooth 5.0 Technology
• Utilizes Critical Core – created for consistent power and extreme accuracy.
• Available in both RCA and 3.5mm connections
• Compatible with most rotary brands
• Featured jumpstart assist for large needle groupings and hard starting motors
• Control the On/Off function of the batteries through two modes: Continuous and Momentary
• Compatible and wirelessly connects with the Critical Connect Foot Switch*
• Connect up to (4) Critical Connect batteries to (1) Critical Connect Foot Switch for adaptability and cordless freedom
• Dual charging capable dock (optional)
• Up to 10+ hours of tattoo time
• Voltage Range 4.5-13v
• Size: 2.4 x 1.2in
• Weight: 2oz
• USB-C Charger Cable Included
• Instruction Manual Included

*Important: Critical Connect Universal Batteries are compatible and wirelessly connect with ONLY the Critical Connect Foot Switch (simultaneously, the Critical Connect Foot Switch is ONLY compatible with Critical Connect batteries).

The Ultimate Wireless Tattooing Experience

True power comes in a small package with the Critical Connect Universal Battery Shorty, one of the lightest and smallest battery packs on the market. Perfect for quick sessions, PMU artists, and tattoo artists who prefer an overall lighter weight.

Features:

• Crisp OLED Display and Precise Voltage
• Ergonomic Design
• Utilizes Bluetooth 5.0 Technology
• Utilizes Critical Core – created for consistent power and extreme accuracy.
• Available in both RCA and 3.5mm connections
• Compatible with most rotary brands
• Featured jumpstart assist for large needle groupings and hard starting motors
• Control the On/Off function of the batteries through two modes: Continuous and Momentary
• Compatible and wirelessly connects with the Critical Connect Foot Switch*
• Connect up to (4) Critical Connect batteries to (1) Critical Connect Foot Switch for adaptability and cordless freedom
• Dual charging capable dock (optional)
• Up to 5+ hours of tattoo time
• Voltage Range 4.5-13v
• Size: 2 x 1.2in
• Weight: 1.5oz
• USB-C Charger Cable Included
• Instruction Manual Included

*Important: Critical Connect Universal Batteries are compatible and wirelessly connect with ONLY the Critical Connect Foot Switch (simultaneously, the Critical Connect Foot Switch is ONLY compatible with Critical Connect batteries).

Introducing another addition to the LightningBolt wireless battery line — the LightningBolt 3.5mm.
This new, wireless solution is compatible with most machines that use a 3.5mm input source/connector. Now, there are even more ways to join the Wireless Revolution.

Features:

• Immerse yourself in art with a wireless tattoo battery pack that turns your tattoo machine wireless
• Perfect for the traveling tattoo artist or when you attend a tradeshow
• Battery can last up to 10 hours with only 1.5 hours of charge time
• Charge your battery pack in any USB-C port, including your car, airport, or from your laptop.
• Software and hardware work seamlessly together to provide you the best experience
• Operates from 5 volts to a maximum of 12 volts
• Only 3 buttons that allow you to check the battery, enable Bluetooth, increase and decrease the voltage, check battery life and turn off/on
• LED colour indicator lights allow you to monitor your voltage and battery life
• Good things come in small, powerful packages, LightningBolt 3.5mm weighs only 58g (2oz)

• Bishop Rotary and Critical’s first ever collaboration – made specifically for the Power Wand.
• These battery packs are made to be used with the RCA Power WAND, if you’ve purchased that machine separately.
• Available in two sizes – the Standard, which provides up to 10 hours of tattooing time with 1500 mAh, and the Shorty, which provides up to 5 hours of tattooing time with 800mAh.
• The batteries will work with most USB-C cords and charging bricks if you do not have the Critical Charging Dock.
• Compatible with all Critical Connect firmware and hardware – including the Critical Connect Footswitch.
• A note regarding the readout on these batteries: if you see the battery percentage fluctuating, the battery is calibrating to provide you with the most accurate battery life read-out and has no effect on the functionality and run time of your battery/machine.
• Tier 1 grade battery used to make this power pack.
• Batteries are shipped partially charged – they do not require a full charging cycle but will need to be charged upon receipt.
• After powering on, initial battery life display will take approximately 5 seconds to calibrate to an accurate read-out.
• You may notice the battery life adjust (increases or drops) between activation and pauses during sessions – this is because the battery calibration is reflecting the device’s current usage scenario.
• Note the percentage difference may be more noticeable on the Shorty batteries due to the smaller battery capacity.
• NOT COMPATIBLE WITH ORIGINAL WAND

• Bishop Rotary and Critical’s first ever collaboration – made specifically for the Power Wand.
• These battery packs are made to be used with the RCA Power WAND, if you’ve purchased that machine separately.
• Available in two sizes – the Standard, which provides up to 10 hours of tattooing time with 1500 mAh, and the Shorty, which provides up to 5 hours of tattooing time with 800mAh.
• The batteries will work with most USB-C cords and charging bricks if you do not have the Critical Charging Dock.
• Compatible with all Critical Connect firmware and hardware – including the Critical Connect Footswitch.
• A note regarding the readout on these batteries: if you see the battery percentage fluctuating, the battery is calibrating to provide you with the most accurate battery life read-out and has no effect on the functionality and run time of your battery/machine.
• Tier 1 grade battery used to make this power pack.
• Batteries are shipped partially charged – they do not require a full charging cycle but will need to be charged upon receipt.
• After powering on, initial battery life display will take approximately 5 seconds to calibrate to an accurate read-out.
• You may notice the battery life adjust (increases or drops) between activation and pauses during sessions – this is because the battery calibration is reflecting the device’s current usage scenario.
• Note the percentage difference may be more noticeable on the Shorty batteries due to the smaller battery capacity.
• NOT COMPATIBLE WITH ORIGINAL WAND

The ultimate powerhouse is here.
The Critical Torque wireless tattoo machine utilises the industry’s 1st Precision Strike Technology to promote a smoother, faster, and more efficient tattooing experience. The Vibration Dampening Solution ensures a smooth and seamless tattooing experience. The feature-rich battery with a larger, intuitive 1.5” colour display is loaded with features, even allowing for a timer feature to assist in gauging tattoo time. Motor design increases rigidity and provides more torque and power.

Features:

• Single Pass Power
• Powerful Custom German Brushless Motor
  
• Firmer and More Consistent Needle Hit
  
• Innovative Stabilizing System
  
• Precision Strike Technology
  
• Vibration Dampening Solution
  
• Maximum battery life of up to 15 hours
  
• Advanced LED Interface on battery
  
• Tracks Time and Hourly Rate
  
• Available in 3.5mm or 4.2mm stroke
  
• Bluetooth 5.0
  
• Compatible with the Critical Connect Foot Switch

Machine Set Includes:

• Critical Torque Pen Machine
• Critical Connect V3 Battery Pack
• 34mm Grip
• 2 ft USB-C Charging Cord
• QR Code Card to Critical Torque Resources

Weight:

• Battery + Pen Machine - 4.8oz
• 34mm Grip - 1.4oz

The ultimate powerhouse is here.
The Critical Torque wireless tattoo machine utilises the industry’s 1st Precision Strike Technology to promote a smoother, faster, and more efficient tattooing experience. The Vibration Dampening Solution ensures a smooth and seamless tattooing experience. The feature-rich battery with a larger, intuitive 1.5” colour display is loaded with features, even allowing for a timer feature to assist in gauging tattoo time. Motor design increases rigidity and provides more torque and power.

Features:

• Single Pass Power
• Powerful Custom German Brushless Motor
  
• Firmer and More Consistent Needle Hit
  
• Innovative Stabilizing System
  
• Precision Strike Technology
  
• Vibration Dampening Solution
  
• Maximum battery life of up to 15 hours
  
• Advanced LED Interface on battery
  
• Tracks Time and Hourly Rate
  
• Available in 3.5mm or 4.2mm stroke
  
• Bluetooth 5.0
  
• Compatible with the Critical Connect Foot Switch

Full Set Includes:

• Critical Torque Pen Machine
• Travel Case
• 2 x Critical Connect V3 Battery Packs
• 34mm Grip
• 40mm Grip
• RCA Adapter
• RCA Cord
• Critical Dual Battery Dock with USB-C Cord and Wall Plug

Weight:

• Battery + Pen Machine - 4.8oz
• 34mm Grip - 1.4oz
• 40mm Grip - 2.4oz

The PowerBolt II is the first device to usher in the next generation of wireless batteries.

Backwards compatible – Take your Flux Max, EXO, or Flux to the max with next-level intelligence.

Tech Specs

• FK Irons first, digital built-in menu to select settings
• Easily detachable and compatible with all wireless FK Irons machines (Flux Max, EXO, Flux)
• State-of-the-art motherboard that learns how you like to work, “senses” and adapts in real-time
• Native Killswitch connectivity and improved range
• Responsive eGive settings (0-3)
• Voltage and Hertz readout (adjust by 0.1V or 0.5V)
• Easily read battery life and built-in session timer
• Left- and right-hand screen orientation
• Battery firmware updates via the Darklab app
• Battery life: An average of 5-6 hours of battery life, dependent on functional preferences (needle resistance, machine speed (voltage/hertz), and stroke)
• Full charge in 2 hours when used USB-C charging cable.

The PowerBolt II+ is the latest addition to the FK Irons wireless battery family. Featuring the intelligence and convenience of the PowerBolt II, with a built-in digital menu, now with an even longer battery life. Fully compatible to power up any wireless FK Irons machines (Flux, EXO, Flux Max).

Tech Specs

• Up to 50% longer battery life than PowerBolt II
• FK Irons first, digital built-in menu to select settings
• Easily detachable and compatible with all wireless FK Irons machines (Flux, EXO, Flux Max)
• State-of-the-art motherboard that learns how you like to work, “senses” and adapts in real-time
• Native Killswitch connectivity and improved range
• Responsive eGive settings (0-3)
• Voltage and Hertz readout (adjust by 0.1V or 0.5V)
• Easily read battery life and built-in session timer
• Left- and right-hand screen orientation
• Battery firmware updates via the Darklab app
• Fast-charging battery via USB-C cable (3 hours for first charge, 2 hour standard charge time)
• USB-C cable not included