somthing i didnt see in vids

[FRESH x913x]

i got my 901 kit today and im loving it! i noticed somthing about the LED i didnt see in the vids on youtube. the first battery i put on the atty lights up red when i draw from it, then after about 5 seconds it should start flashing right?
well it does but instead of the red light flashing it changed colors, went from red to flashing green! the thing the got about this is that the other one doesnt do this it just flashes red.

is this somthing new? maybe a sign of new batteries to hit the market?

 

[GrimmGreen]

different batteries have different LED set ups. most of my 901's are blue... then flash blue when you reach the cutoff , i have 1 901 from truevapor.com with a green LED that flashes orange when you reach the cutoff...

i also have a few 801 batteries from ruyandirect that are orange , then flash green when you reach the cutoff