The Gripper Mod Variable Voltage – $25.00 USA
The Gripper Mod
This is a great deal on a mod that output as high as 6 volts. Get your own Gripper Mod for only $25.00 from now until March 27th, 2014.
Usually the Gripper sells for $49.99 but today you can get one for 50% off. This mod uses a single 18650 battery and has an output of 3 – 6 volts. Check out the video on the product page for more information.
If you want a cheap variable voltage mod this is a great option!