Hybrid Pen 350mAh Adjustable Voltage Battery With Dual Charger Port - Emerald RainbowHybrid Pen 350mAh Adjustable Voltage Battery With Dual Charger Port Emerald Rainbow The Hybrid Pen Battery sets itself apart from the rest! Unlike traditional 510 batteries, the Hybrid Pen can be charged with either Micro USB or Lightning cable. Features: 3 Click Adjustable Voltage 4 Temp Setting Dual Charging Port 350mAh Battery 510 Thread Included: Hybrid Pen 350mAh Adjustable Voltage Battery With Dual Charger Port