Don't Settle. Be a Snob. The Strain Snobs Battery has a sleek matte black design with an adjustable voltage so you can control the exact heat needed for the perfect hit. Each battery comes with a smart USB charger that won't overcharge your pen and ruin your battery life.

Works with the following cartridges:

Details:

• 510 thread
• Adjustable 2.0v-4.0v
• Charger included
• Smart USB

Instructions:

• Click 5 times to turn on
• Click 2 times for preheat mode
• Click 1 time to stop preheat mode
• Hold button to use