also i forgot to mention. it is equally important to make sure that you do not discharge the battery too low, it will cause permanent damage to the battery. when the heli requires more throttle than usual to keep it in the air, its time to land and charge the battery...............td




trex 450,,,,,trex 500,,,,,,,lepton ex,,,,,,,stinger 90,,,,,,,,,,,,,,,,,,,,,,,,,