Hamilton Devices PBI Pipe Shaped Carto Battery

Hamilton Devices - PB1 500mAh Pipe Shaped Carto Battery Features/Specs: 5 Click On/Off 510 Threaded connection Powered By: Built-In 500mAh Battery Fits Either 0.5ml or 1.0ml Cartridge Voltage Range: 3.3V - 4.0V Adjustable Voltage 3 Click the fire button to select your voltage Voltage level is indicated by three lights near the fire button of the device Right Light - 3.3V Middle Light - 3.7V Left Lights - 4V Charged Through: Micro USB Package Contents: 1 X PB1 Pipe Shaped Carto Battery 1 X Micro USB Charging Cable User Manual Warranty Card