blue or grey

fandango

Newly Enlightened
Joined
Jan 29, 2009
Messages
16
Location
manchester uk
hi everyone,please could someone tell me the difference between blue and grey 18650s,and have you any preference with regards to trustfire or ultrafire and finnally which brand is the best,thanks for reading.
 
Forget Trustfire or Ultrafire 18650 cells. You want the best?... Go with AW brand. (You can buy them at Lighthound.com).
 
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Both -fire brands are cheap products. If it's not a brick it works fine, vice versa. That's about it. If I had to choose 1 from two, I would go for trustfire. Not beacause i know trustfire is better than the other one, but becasue few trustfire grey protected batteries I got works fine w/o problem so far.

Grey or blue? I doubt if there's any noticable difference b/w them. It looks like its just different color.
 
If I recall, the greys perform substantially better than the blues at high drain currents.
 
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