I got 2 5000 nano tech batterys the 65-130 discharge one and both are broke one of them is running on 2 cell and the other one is running on 3cell im not happy with hobby king. had them for 2 months and only charged them to days ago cant send them back as put 6 mm cons on them NOT HAPPY
I bought one of the 4S and two of the 2S. The 4S was defective. The charger kept saying it was a voltage error on one cell- same as when the balancing plug isn't connected. I cut open the front and made sure all the plugs had a solid connection. It still would not work so, I sent it back to HK. It's been a few weeks and I still haven't heard anything. They better return it considering I only cut the front of the shrink... hoping I could save myself from the wait and shipping of returning. I normally don't disect products under warranty, but I had seen this charger error before when balancing wires came loose.