FeaturesThe 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 SpecsOur first, digital built-in menu to select settingsEasily 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-timeNative Killswitch connectivity and improved rangeResponsive eGive settings (0-3)Voltage and Hertz readout (adjust by 0.1V or 0.5V)Easily read battery life and built-in session timerLeft- and right-hand screen orientationBattery firmware updates via the Darklab appBattery life: dependent on functional preferences*. Full charge in 2 hours when used with the included USB-C charging cable.*needle resistance, machine speed (voltage/hertz), and strokeFull charge in 2 hours when used USB-C charging cable.ManualThe Flux Max User Manual contains all the technical specifications and features of the machine.Download the PowerBolt II User Manual (PDF)Shipping