SMC, i have called numerous times. Im left messages to call me, and no call back. I have 2 3s 6500 mah packs that have 4 charges on them and are puffing. One more than the other. They are literally brand new. Im not here to bash your product, im here to see if you can take care of me. I have 2 4s 6500mah packs and 2 2s packs, and i love them!! Long run times too. Anyways please contact me. Pm me here if thats ok.