im not suprised about the battery being junk i got 1 flight out of my blade 400 brand new rtf   i found that their battery maker puts  a circuit board with chips on the battery must be because their chargers are cheap and arent intelligent well anyways i got probing around and found the batt on the neg side was flat and the chip that the current is suppose to flow through to charge it was either no good or soldered wrong. no probs i removed the individual cells turned it into a 2s lipo and use it on the trex 600 now 8) .