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FANG VV BATTERY
380mAh · USB-C · Three Voltage Modes · Preheat
A compact 510-thread variable-voltage battery featuring a rechargeable 380mAh battery, three standard voltage settings, USB-C charging, button activation, and preheat functionality.

Powerful, durable, rechargeable battery for reliable daily use.
Modern USB-C port for convenient universal charging.
Click the button 3 times to cycle through voltage settings. Additional options available upon request.

See the slim 510-thread battery, button controls, USB-C charging, and compact design from every angle.






Complete specification data for procurement and compliance purposes.
| Product | FANG VV |
|---|---|
| Product Type | Variable Voltage Battery |
| Thread | 510 Thread |
| Standard Output | 3.3V / 3.7V / 4.1V |
| Power Reference | 3.3 / 3.7 / 4.1V (±0.5V) |
| Additional Voltage Options | Available upon request |
Power ON / OFF
Click within 2 seconds
Change Voltage
Cycle 3.3V → 3.7V → 4.1V
Enter Preheat
Activates preheat mode
Stop Preheat
Exits preheat mode
Silk Printing
MOQ 1,000Extra 2–3 days
Powder Coating
MOQ 1,000Extra 1–2 days
Laser Engraving
MOQ 5,000Extra 3–4 days
Electroplating
MOQ 10,000Extra 3–4 days
Soft Touch
MOQ 10,000Extra 5–7 days
Matte & Glossy Finish
FANG VV measures Ø14 × 72mm and weighs 23.5g — the shortest VV battery in the lineup. Same 14mm diameter as NOME but 10mm shorter.

Shortest VV battery in the lineup. NOME: Ø14 × 82mm / 23.5g (same weight, 10mm longer). KYRO MAX VV: Ø11.2 × 88.7mm / 19.6g. WINTER: Ø11.2 × 97mm.
-5°C to +35°C
45–75% RH
Have questions about our hardware, packaging, customization, or ordering process? Here are answers to the questions we hear most often.
FANG VV is a 510-thread variable-voltage battery. It uses button activation, preheat, and USB-C charging.
FANG VV supports 3.3V, 3.7V, and 4.1V (±0.5V). Additional voltage options are available upon request.
Click the button 3 times to change the voltage setting. The device cycles through the available voltage modes.
FANG VV uses a 380mAh battery and measures Ø14 × 72mm, while NOME uses 650mAh and measures Ø14 × 82mm. Both support 3.3V / 3.7V / 4.1V variable voltage and preheat.
When battery voltage drops below 3.2V, the device stops output. The indicator light then flashes 10 times.
Still have questions? Email us at hello@rectitudepartners.com
Compact Ø14 × 72mm cylindrical form — fits the palm of your hand. Below 2 ounces.
Factory-customizable voltage range. Additional options available upon request.
| Dimensions |
|---|
| Ø14 × 72mm |
| Weight | 23.5g |
|---|
| Activation | Button Activate |
|---|
| Battery Capacity | 380mAh |
|---|
| Preheat Function | Yes |
|---|
| Viscosity Range | 1,000–110,000 cps |
|---|
| Charging Port | USB-C |
|---|
FANG includes a built-in preheat function. Double-click to activate, single-click to stop.
Activate
Click button 2 times to enter preheat mode at the current voltage setting.
Preheat Active
Preheat warms your oil for optimal viscosity.
Stop
Click button once to exit preheat mode at any time.
MOQ 10,000Extra 5–7 days
Color Options
MOQ 10,000Extra 5–7 days
Paper Wraps
MOQ 10,000Extra 5–7 days
Keep sealed with protective film during storage.
Complete one charge/discharge cycle every 180 days.