u have using our Avionics 3S lipos in my radio for over a year now and it has worked flawless I re-peak it up every couple of weeks to get max signal strength.
ORI60005 SLPB 1250mAh 11.1v, 3S-1P
http://www.teamorion-avionics.com/Ba...Li-Po/1250mAh+
larger capacities can be used depending on radio.