RE: 1000mah NiMH 2.2 oz OK For Pattern ?
Lately, I've been using the Hobbico 2000 mah Hydrimax 4 cell packs. These are high discharge capable batteries...that can take the instantaneous high current of some of the digital servos. These packs weigh little if any more than previous 1100 mah packs. I can fly, fly, fly without any field recharging. I can fly all weekend at a contest on one charge.
Just a thought. I'm sure that others have their own preferences.