no juice left is no fun thats a fact been there done that ..dont want to be there again.. it makes a mess i got three flights on the 1450ma and was seeing yellow on the volt watch after landing i think that on the 2700ma i should get maybe five to six this thing is burnin up some fuel for now still a little rich so a tank is about 6-7 min. thats not much fly time on that 1450 but like i said before i made it easy to change out . thanks for all the input im learning from it . what is the best charger for the Nimh batery packs and will it do lipos to