Blazy Susan Classic Pen Battery 510 Thread

The Blazy Susan Classic Pen Battery is a slim, pocket-friendly 510-thread battery in the brand's signature look. A 650 mAh cell gives you all-day power, and three voltage settings (2.8 V, 3.4 V and 3.8 V) let you dial in a softer or stronger draw with a simple button press. An LED dashboard shows your current setting and charge level, and the battery recharges over USB-C or through the threaded port.

• 650 mAh, 510 thread
• Three voltage levels with LED indicator
• USB-C charging, about one hour to full