Penjamin - Car Key Fob - 510 Battery

Penjamin Key Fob 510 Battery

A discreet, high-performance 510-thread battery disguised as a car key fob—designed for stealth, convenience, and reliable power. The cartridge fits fully inside the key fob housing, making it ideal for low-profile, on-the-go use. Compatible with most standard 510 cartridges, this device features variable voltage, a preheat function to prevent clogging, and USB-C recharging for fast, modern power.

Key Features:

• Stealth key-fob design – looks like a real car remote
• 510-thread compatible – works with most carts (cart not included)
• Preheat mode – smooth starts, fewer clogs
• Adjustable voltage – dial in flavor or strength
• USB-C rechargeable – quick, convenient charging
• Compact & pocket-friendly – ideal for everyday carry

Perfect for customers who want a concealed, stylish battery without sacrificing performance.