My brother just give me his Zero Mod (Clone), but the problem is that the wattage on the mod will go down whenever i press the fire button, for example 1st i set it at 20watt then when fire it goes to 11watt, but if i charge the mod bettery to full capasity it watt still goes down when fire but it will higher then before for example 15watt rather then before 11 watt. It this has any prob with the battery or the chip it self?
