USB + eGo/eGo-T dedicated port  input: DC 5V,500mA output: DC 4.2V,420mA.

The eGo-C Twist battery is another advanced vision based on eGo-C original battery. The circuit was modified to enable the adjustment of output voltage from 3.2V to 4.8V. With a smart Buck-Boost converter inside, you can spin the knob at the bottom to adjust the output voltage depend on your need. There are altogether 8 grids on the knob at the bottom, and each represents 0.2V. You can adjust the output voltage so easily and enjoy the whole vapour time.

This battery also has the previous lock/unlock function.The protection switch makes it safer and easier to use and this can prevent accidental battery discharge when not in use.

Battery can be easily charged with the assorted USB chargers and there are various chargers for your choices.

Lenght:
eGo C Twist 650mah: 98mm
eGo C Twist 1000mah: 121mm