If you’re searching for a discreet 510 thread battery that blends seamlessly into everyday environments, the Smyle™ Labs Pen is the perfect solution. Designed to resemble a standard writing pen, this low-profile device allows you to carry and use your battery without the attention that traditional pen-style batteries often attract.

The Smyle Labs Pen supports most standard 510-thread cartridges, including 0.5g and 1g sizes. With adjustable voltage levels, you can fine-tune performance to match your cartridge preference, while the preheat mode ensures smooth activation even with thicker oils.

Compact, lightweight, and USB rechargeable, this pen-style 510 battery is ideal for users seeking stealth, convenience, and reliable performance in a discreet form factor. Whether clipped in a pocket or placed in a bag, the Smyle Labs Pen looks like an everyday item while delivering dependable power when needed.

How to Use

1. Attach your compatible 510-thread cartridge

2. Power on using the multi-click button

3. Adjust voltage to desired level

4. Use preheat mode if needed

5. Recharge via USB when battery is low

Specifications

• Thread Type: Standard 510 thread

• Compatibility: Most 0.5g & 1g cartridges

• Charging: USB rechargeable

• Voltage: Multiple adjustable settings

• Design: Writing pen-style for discreet use

• Included: 1× Smyle Labs Pen battery, USB charging cable

Cartridges not included.

Is this a real pen?
It functions primarily as a 510-thread battery but is designed to closely resemble a real writing pen for discreet carry.

What cartridges fit this battery?
Most standard 510-thread cartridges, including 0.5g and 1g sizes.

Does it have temperature control?
Yes, it includes adjustable voltage settings and a preheat function.

Is it discreet for everyday carry?
Yes — the pen design allows it to blend in naturally with everyday items.