DBY-Power in lieu of Nano-tech?

[MT Alex]

Does anyone have any experience with the DBY batteries from Heads Up? I only have two nano-tech 1500 35-70C packs for my Blackout, and it's just too frustrating to have that short of a flight time. I was hoping a couple of these would suffice until HobbyKing gets more stock.

http://www.headsuphobby.com/111v-1500mah-30C-DBY-Power-Lipo-Battery-F-120.htm