Flux Mini Stealth BatteryFeatures The Flux Mini PMU devices are popular choices among PMU artists and the batteries can now be purchased separately. Artists now have the option to keep backup batteries on hand and never have to worry about running out of power in the middle of a session. Having extra batteries also allows PMU artists to work more efficiently, as they can switch out batteries without having to stop and wait for them to recharge. Allow artists to focus on their