dragon evod battery HAHA usb passthrough best ego battery wholesale

dragon HAHA evod passthrough battery features:
1. vacuum coating, no scratch at all, very glossy
2.huge vapor with variable voltage
3. led light showing battery power:
>50%--white color;
10%-50%--blue color;
<10%--red color
4. it has dragon pattern, very beautiful.
5. it has smile pattern on the button, make people happy; can be changed to your logo.
6. it has 5 click lock/unlock functin.
7. battery capacity: 650mah/900mah/1100mah for choice.
8. 7 colors: titanium/brown/silver/gray/black/blue/ iridescence
9. best circuit board, has over-charge/over-discharge/short-circuit protection; best A+ cell, the defective rate lower than 0.1%