i have a laser 6 that i have had for a year but only been using it for 6 months and the battery wont charge over about 50% but it slowly drops to about 30% and stays thier, will it be safe to put a few more flights on it? i am completely draining the battery right now and am goin to see if that will help at all. i got my model tech magic funfly all ready but was afraid of radio problems. any help would be appriciated