Double the Terps with our WULF Recon Pro 510 Variable Voltage Battery! Voltage Settings: 6 voltage settings (1.8V, 2.2V, 2.7V, 3.2V, 3.7V, 4.2V). Battery Capacity: 650mAh. Preheat Functionality: Dual 15-second preheat modes (1.8V & 3.2V). Cartridge Support: Dual 2G cartridge support. Display: Full-color display showing voltage, battery life, and puff count. This device is designed for versatility and performance, making it suitable for serious users.