I have 15 plus zippies and they have been for me. I do not try to get every last watt out of them. They have run well for 2 years now.
Your link did not work, said it had been removed so I went to HK and looked at a 1300 zippy.
http://hobbyking.com/hobbyking/store..._3S1P_20C.html
Buzz.