What is the best Lipo battery for a wltoys 144001? I did see tons of suggestions but could not decide. I just bought one without a battery but the stock one doesnt seem the best.. i am sure i can get a better one , what can you suggest? I have about 100 mm space of lengh, 30 mm of wideness and almost 20 mm for height, reply with your suggestions and please do not suggest me chinese crap , thank you