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FK Irons LightningBolt Uni Battery Pack - Double Pack

FK Irons LightningBolt Uni Battery Pack - Double Pack

Regular price $449.95
Unit price  per 

Double LightningBolt Uni Battery Pack by FK Irons — Bluetooth Compatible

Turn your favorite rotary tattoo machine into a wireless powerhouse with the LightningBolt Uni Battery Pack by FK Irons. Redesigned from the original LightningBolt, the Uni fits all major RCA tattoo machines and brands like a glove.

Compact but powerful as a lightning bolt, the battery maintains all your favorite features from the original design. It’s powered by a dynamic USB-C Li-Ion battery and operates for up to 10 hours after just one charge, making it super dependable for longer tattooing sessions. You can easily adjust the voltage with the quick press of a button and enjoy the advantage of LED indicators for voltage and battery life.

This robust battery pack is also Bluetooth enabled, allowing you to connect to the mobile app and access additional features like voice control, wireless footswitch use, voltage control, and eGive.

This listing is for a single LightningBolt Uni battery.


  • Net Weight: 2oz (~58g)
  • Automatic jumpstart feature
  • Features LED indicators for battery life and voltage
  • Fast charging speed up to 1.5 Amps with Darklab USB power units
  • Operates for 6 up to 10 hours after one charge; operation time varies based on artist’s parameters
  • Features a USB-C Li-Ion battery for dynamic power path management
  • Compatible with all major RCA tattoo machines and brands
  • Bluetooth enabled; can be paired with upcoming mobile app to unlock special features and update firmware
  • Firmware updates ensure this battery pack is “future proof”; will be compatible with future wireless devices