actually i own a 6ch flysky radio
even time i need to change my AA batteries when it drains out so i am thinking it to convert to a lipo pack such that it can be recharged multiple times!
any possible methods
Get the turnigy 1450 mah transmitter pack. Or make your own 3s Lipo pack from mobile phone batteries.
Or you could just use NiMH rechargeable AA cells.
Rechargeable AA batteries with higher mAh will be the best for this TX