Home General Veil Bar Pro Evo Technical/Spec Sheet

Veil Bar Pro Evo Technical/Spec Sheet

Last updated on Sep 29, 2025

General Specifications

  • Size: 21.70 × 48.41 × 89.04 mm

  • Battery capacity: 1000 mAh

  • Current: 3A discharging

  • Battery cell working voltage range: 3.2–4.2V

  • Output voltage: Stepless pressure regulation 1.8V–4.2V

  • Static current: < 10 μA

  • Charging port: Type-C

  • Load range: ≥ 0.8 Ω

  • Screen type: Digital tube screen

  • Shell material: Plastic shell + silicone cigarette butt

  • Atomizer range: Ø 14 × 51 mm / Ø 12 × 62 mm

  • Weight:


Operating Parameters

  • Switch on/off:
    Press button 5 times to power on/off.

    • Ambient light + blue light stay on when powered.

    • Screen display: Gradual light-up when powering on, 2s shutdown fade-out.

  • Connecting:
    When atomizer is connected in standby: gear lights up for 1s, wakes screen.

    • No atomizer → light stays off.
  • Preheat:
    Double press within 1.5s to start warm-up.

    • Preheats 8s at 1.8V constant pressure.

    • Screen shows circular progress bar animation + power/mouth count updates.

  • Smoke (use):
    Both head and button smoking supported.

    • Atmosphere + breathing lights flash when inhaling.

    • Middle globe lights up (UI display).

    • Lights up in 6s increments.

    • Records number of puffs each time.

  • Change voltage:
    Click button = +0.1V per press.

    • Long press = rapid adjustment.

    • Max = 4.2V (auto reset to 1.8V after release).

    • Ambient light changes from yellow → red as voltage increases.

    • Range: 1.8V–4.2V.

  • Power display:
    Screen shows percentage of power.

  • Mouth count record:
    Device records number of puffs.


Charging Parameters

  • Low voltage:
    <3.2V → red light flashes 10 times, enters standby.

    • Screen: Lightning symbol flashes white, red light flashes with “lightning breath.”
  • USB charging current:
    5V / 0.5A with overvoltage protection.

    • No smoking/operation during charging.

    • Fast charging not supported.

  • Charging display:

    • Green light = charging.

    • Full green = fully charged.

    • Screen shows % with lightning symbol + progress grids.

    • Remains lit during charging, dims after 10s to prevent glare.

    • Restores brightness when interacting.

  • Charging time: ~115 minutes

  • Charging high-voltage protection:
    5V/0.5A = normal.
    7V–28V = triggers protection, charging cut off.

    • Screen shows no additional prompt.

Protection Features

  • Smoking timeout: >10s puff → red light flashes 4 times, standby.

  • Gear memory: Saves last voltage setting.

  • Overload protection: PCBA with overvoltage protection.

  • Short circuit: Red light flashes 3 times, output cut off.

    • Screen shows no prompt.
  • No load: White light flashes 3 times, standby.

    • Screen shows no prompt.
  • Overcurrent protection: If resistance < 0.8 Ω → red light flashes 3 times, standby.