Specification of ego lcd battery :

Shipping weight:650mAh(46g)/900mAh(54g)

Capacity:650mAh                                                                                                                                         Voltage: 3.7V (Blue LED ring)
Best match: F1 Atomizer; eGo T Atomizers
Charging time: 2.5 hours
Threading:eGo-t&F1                                                                                                                                     Color: Black /Stainless/White/Pink

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

 Note: 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.