A new revision of the Samsung 25R's with a green jacket is out, the 25R6. These cells have the same specs as the original "smurf" but with a better cycle life. I think they need a new nickname
http://batterybro.com/blogs/18650-w...5187011-green-samsung-18650-25r5-vs-blue-25r2
http://batterybro.com/blogs/18650-w...5187011-green-samsung-18650-25r5-vs-blue-25r2