The Kumiho eGo-C Twist is made by a leading ecigarette manufacturer which has made many popular branded good quality batteries.
We do recommend Kumiho eGo-C Twist not only it allows you to adjust voltage output from 3.3v to 4.8v by spinning the knob at the bottom but also the button with different LED lights can indicate the battery left power, so you can charge the battery timely and get best experience.
If the button light is white, it means that the battery's left power is more than 80%.
If the button light is blue, it means that the battery's left power is 80%-30%.
If the button light is red, it means that the battery's left power is less than 30%.
The twist has a regular 510/eGo connector and can fit a variety of 510/eGo atomizers or tanks, or clearomizers like HyperTank Glass Clearomizer.
Like eGo-C battery, the eGo-C twist also has 3 kinds of Protections:
1. Short Circuit Protection: When short circuit happens, the battery will shut down. The battery won't go back to work until short circuit ends.
2. Atomizer Protection: If you press the button for 10 seconds, the battery will be locked until the next press.
3. Low Voltage Protection: When the battery voltage is lower than 3.3v, the batery will shut down.
Besides, the eGo-C battery's button have a 5-click On/Off lock the same as Joyetech eGo-C battery. Please press the button 5 clicks within 2 seconds and activate the battery.
kumiho eGo-C Twist comes without charger, you have to buy charges separately.
Dragonfly carries 420mA fast USB charger, 450mA eGo Fast USB Charger with cord for your choice.
Battery Size:Length 93mm; Diameter 14mm