Blown Double Barrel 2 Carts or Wax Coils at the same time!

A Blown Double Barrel Battery is a dual-slot 510-thread vape pen battery made by the brand Blown. It lets users attach and fire two oil cartridges at the same time or toggle between the left and right sides for custom hits.Features & SettingsDual Chamber: Holds two standard 510-thread oil cartridges simultaneously.Firing Modes: Switchable between left cart, right cart, or both active at once.Variable Voltage: Adjustable power levels to control flavor and vapor output.