100% compatible with eGo and eGo-T

This is a genuine Joyetech eGo-C Pass-Through rated at 650mAh capacity.

Passthrough battery compatible with eGo/eGo-T/eGo-C parts

This particular passthrough can be used both while plugged into the USB or on the go, making it perfect for someone that is very mobile.  Simply unscrew the end cap and plug it in using the included cable via the Mini-USB port located directly on the end of the battery, you can still use it while it charges, and then unplug it and take it with you when you leave.  When not connected to the charger it performs just like any other eGo battery and provides a long life between charges.

3.3v Rechargeable battery with 650mAh capacity will last a very long time between charges. 

These batteries have a safety feature that will de-activate the button so that the battery can be stored without accidently being activated. Simply press the battery button 5 times quickly and the battery will be de-activated. Press quickly 5 more times to re-activate it for normal operation.

New features on the eGo-C Batteries:

• eGo-C Batteries add a new dual LED feature that lets you know when the battery power is getting low.  When the battery has been drained to less than 20% power remaining the LED that lights up the button will change from White to Blue indicating that it needs to be charged soon.  This is a great feature that will keep you from having a battery die without notice while you are away from home.
• Strengthened short circuit and over discharge protection
• Circuitry to prevent overcharging