Unit: pc
Shipping weight:650mAh(46g)

Size:
650mAh: length 92mm/ diameter 14mm
Capacity: 650mAh
Voltage: 3.2V (Red LED ring)/3.7V (Half Red/Half Blue LED ring)/4.2V (Blue LED ring)
Best match: ECHO cartomizer; eGo T Atomizers 
Charging time: 2.5 hours
Threading: 510/eGo
Color: Black /Stainless
Package: plain

Why to choose:
*Three voltages available in one battery, so you can easily swap between different voltages.
*Voltage range from 3.2-4.2V, suitable for most 510 atomizers/ cartomizers whatever their resistances are.
*The battery is tested out to have the best vapor production with most our atomizers/cartomizers.
*The battery has overcharge protection. Once charging finishes, no more current is supplied to the battery.
*LCD power indicator bar in the bottom showing remaining power.

How to use:
*The battery comes with the default mode of 3.2V
*Press the switch button for 5 quick clicks, the LED ring will turn from red to half red half blue and also the voltage will swap from 3.2V to 3.7V.
*Press the button for another 5 quick clicks, the LED ring will turn from half red half blue to blue and the voltage swap from 3.7V to 4.2V.
*Give another 5 quick clicks, the LED ring will turn from blue back to red and volt will shift from 4.2V back to 3.2V.

How to charge:
Screw the battery into an eGo USB charger
Charge it on a USB port of your computer or on a universal AC-USB adapter

*This battery is recommended to charge on its original match 450mA eGo USB charger and can not be fully charged by Joye eGo USB charger.

Note: 
*The center pin in the battery is stretchable. If it can not work with any cartomizer/ atomizer, it may because of the poor contact of them , so you can try to use tweezers to pull up the center pin.
*Please BE CAREFUL.If you vape consistantly for a long time, the connection part of battery and atomizer/cartomizer might be too hot to be touched.