Mythology Hydra Cartridge Battery:
Stylish as can be and beautifully machined, the Mythology Hydra Cartridge battery is very solid. A 650mAh internal battery powers the Hydra and supports 4 variable voltage modes ranging from 3.2V to 4.1V so you'll always get the hit you want.
Specifications:
650mAh Internal Battery
12mm Maximum Cartridge Diameter
4 Adjustale Voltage Modes
Single Button Operation
Included:
1x Hydra Box Mod
1x Magnetic Connector
1x MicroUSB Cable