The Wulf Flat Mini Battery is a compact cart battery from Wulf with a flat-sided body that won’t roll off a table.

• 400mAh battery with three voltage settings: 2.6V, 3.2V and 3.8V
• 10-second preheat function
• 15-second safety shutoff
• USB-C charging
• Universal 510 thread connection

A small, practical 510 battery for keeping a cartridge charged and ready.