if I remember correctly your kit from e ciggs.com correct? I'm not sure if the chargers we use are exactly the same. Someone chime in.
Also if you used your battery to the VERY END. Like did you get the indicator of several blinking lights at the end of use before you plugged it into the charger? Because if so the "cherry" will not blink when you charge it because the battery is completly dead. If the light is red on the charger you are good.
When you
vape the battery till it dies it will not blink when you charge it. In order to check if it is charging, wait about 20mins while it is on the charger, remove it, and screw it in again to see if the LED blinks.