Just connect your USB Charger with your computer, you can charge your battery. This USB Charger is specially designed for E-Cig E9. The maximal rechargeable voltage is 4.7 volts.

Charge Any Electric Cigarette Battery From A Wall Socket.
This charger is designed for transforming the power supply to the USB power. The input voltage is 110-220 volts and the maximal output voltage is 4.2 volts.
You can use this charger for your E8 or E9 as the battery charger; or you can also use for your [...]

Power or Charge ANY USB Device Even, iPods and Cell Phones!

The new Green Smoke Portable Electronic Cigarette Charger is a great new way to make sure you never run out of battery. It is a powerful lithium ion battery which can act as a charger for your Green Smoke electronic cigarette battery or absolutely any [...]

Charge your E-9, E-8 or any other electric cigarette battery in your car.
This USB Car Charger is designed for transforming your cars 12 volt cigarette lighter power supply to the USB power. The maximum output voltage is 4.2 volts which is the standard charging voltage for just about any electric cigarette battery.
You can use this [...]