B650 510 Thread Pull-Through Battery: Stainless steel tube, 650mAh battery, button activation with 3 variable voltage settings, and micro USB charging. Perfectly priced to complement our 1g cartridges.

METHOD OF USE:

Step 1: Before use, make sure that the battery is fully charged. Simply connect the micro USB cable (included) to the battery and a power source such as a computer or wall adapter.
Step 2: Screw your cartridge onto the top of the battery.
Step 3: Press the button on the battery 5 times rapidly to turn it on. The indicator lights will usually blink to indicate it’s on.
Step 4: Press the button 3 times rapidly to cycle through the voltage settings. The indicator lights will change color to indicate the selected voltage level.